![\"\"](\"https:\/\/spinor.info\/weblog\/wp-content\/uploads\/2025\/06\/resign.png\")
<\/a><\/p>\nThe fact that I am beaten in a game of chess by even a minimally capable opponent should come as no surprise. I can “play” in the sense that I am aware of the rules and the basic strategy; but I cannot really “play” in that I have near zero actual chess playing experience, having played my last recreational chess game decades ago. I appreciate the game’s elegance but somehow, I never acquired the taste.<\/p>\n
Still, I felt compelled to build this user interface<\/a> and run these tests, to appreciate just how well (or how badly) a frontier-class AI model can play chess. Especially in light of all that recent nonsense about how a nearly half-century old Atari 2600 with a chess cartridge managed to beat GPT.<\/p>\n It didn’t, really. What that experiment proved is simply that GPT is not capable of tracking the state of a board internally across multiple conversational turns. So what? Neither can humans.<\/p>\n But once you give GPT a board, it all changes. That’s exactly what I did: I encoded the board as a FEN string and in each conversation, presented GPT with the board along with the two most recent moves, and ask the model to make a move. When you look at this game we played… GPT beat me fair and square. Again, I am not exactly hard to beat in chess, but still.<\/p>\n The board was needed also because it enforced the rules. At one point (move 15 below), GPT misplaced in its “mind” one of its bishops and tried to make an illegal move. The board rejected the move and GPT was asked to provide another move, which it did.<\/p>\n GPT was also asked to analyze the board at each turn, an analysis that took shape in the form of a running commentary, which I reproduce in its entirety below.<\/p>\n White has opened with 1.d4, staking a pawn in the centre and freeing the c1-bishop. \u2022 1\u2026Nf6 \u2013 heading for a King\u2019s Indian, Gr\u00fcnfeld or Nimzo\/Queen\u2019s Indian setup later. Among these, 1\u2026d5 is the simplest, developing none of your pieces yet but contesting the centre immediately and avoiding any commitment of your king-side structure. It also keeps the opening lines mainstream (Queen\u2019s Gambit Declined paths, Slav-type positions, or the exchange line after 2.c4 dxc4).<\/p>\n Therefore, I choose the solid central response.<\/p>\n d7-d5<\/p>\n After White\u2019s 2 .c4 the position is the classical Queen\u2019s Gambit: your pawn on d5 is supported, the c-pawn is putting pressure on the centre, and both sides still have all pieces undeveloped.<\/p>\n Typical replies for Black are:<\/p>\n 1. Accept the gambit with 2\u2026d5xc4 (Queen\u2019s Gambit Accepted). Accepting immediately gives up the centre for the moment and hands White a tempo or two for development; declining with \u2026e6 keeps the strong pawn on d5 and prepares \u2026Ng8-f6 and \u2026Bf8-e7 (or \u2026Bb4) while leaving all options open for castling and later central breaks with \u2026c5 or \u2026e5.<\/p>\n Choosing the solid Queen\u2019s Gambit Declined setup, the most natural move is 2\u2026e6.<\/p>\n e7-e6<\/p>\n The position is a typical Queen\u2019s Gambit Declined structure.<\/p>\n White has advanced the c- and d-pawns, and with 3.e3 intends to consolidate the centre and develop the king-side pieces calmly. Strategic considerations for Black: The natural, principled move that addresses all three points is to develop the king knight:<\/p>\n \u2022 The knight on f6 attacks d5 and helps control e4. Therefore, I play:<\/p>\n g8-f6<\/p>\n The position is a Queen\u2019s Gambit Declined structure where both sides have developed knights and laid claim to the centre with the d- and c-pawns. 1. \u2026Be7 \u2013 the classical Queen\u2019s Gambit route. Because \u2026Bb4+ develops with tempo, keeps castling next and does not concede anything in the centre, it is an attractive choice here.<\/p>\n Black plays Your bishop on b4 is en prise: if it stays where it is, White can simply play Bxb4 next move. Move (long algebraic):<\/p>\n b4-e7<\/p>\n The position is a fairly typical Queen\u2019s Gambit Declined structure, but with White\u2019s dark-squared bishop already committed to d3 and the light-squared bishop on d2. Black\u2019s development is solid; the only pieces still at home are the queen-side knight and the c8-bishop. White has the customary space advantage on the queen side (pawns on c4 and d4) and will probably continue with Nc3 followed by 0-0 and perhaps Rc1, aiming for pressure along the c-file or a possible minority attack (b4\u2013b5 later).<\/p>\n Black\u2019s main strategic tasks:<\/p>\n 1. Finish development quickly (\u20260-0, \u2026Nbd7, \u2026c5 or \u2026dxc4 followed by \u2026c5). Among the candidate moves:<\/p>\n \u2022 6\u2026c5 immediately is perfectly playable and leads to known lines after 7.cxd5 Nxd5 or 7.0-0 0-0, but it leaves the king in the centre for another move.<\/p>\n \u2022 6\u2026dxc4 7.Bxc4 0-0 is also fine, but it voluntarily releases central tension and lets White\u2019s bishop sit actively on c4.<\/p>\n \u2022 6\u2026Nbd7 is solid but a bit passive; we will still have to castle and only then decide on \u2026c5 or \u2026dxc4.<\/p>\n The safest, most flexible move is simply to castle first. It completes development, connects the rooks and carries no tactical risk\u2014there is no sound Bxh7+ sacrifice here because \u2026Nxh7 is always available.<\/p>\n Therefore I choose to castle kingside.<\/p>\n e8-g8<\/p>\n The position is a typical Queen\u2019s-Gambit-style structure: Strategically, Black wants to: The natural way to achieve all three aims is the classical break \u2026c7-c5. Hence the best continuation is:<\/p>\n c7-c5<\/p>\n After 8.cxd5 White\u2019s pawn from c4 has captured on d5. e6xd5<\/p>\n The position comes from a typical French-Tarrasch structure. 1. Drive the d3-bishop off that diagonal. Pushing the c-pawn fulfils all three aims:<\/p>\n \u2022 After 9\u2026c5-c4 the bishop on d3 is attacked and must move, giving Black a valuable tempo. Tactical check: Hence the immediate pawn thrust is both safe and strong.<\/p>\n c5-c4<\/p>\n The pawn on c4 can capture the white bishop on d3, eliminating one of White\u2019s most active pieces and gaining material. After<\/p>\n 10\u2026 c4xd3<\/p>\n Black will have exchanged a pawn for a bishop and will stand two points ahead. White\u2019s most plausible reply is 11.Nxd3, after which Black can continue with \u2026Bf5 or \u2026Nc6, pressuring the knight and consolidating the extra material.<\/p>\n c4xd3<\/p>\n Your advanced pawn on d3 is the spear-head of Black\u2019s initiative. \u2022 eliminate White\u2019s last central pawn besides d4, After 11\u2026d3xc2 12.Qxc2 you can follow up with \u2026c7-c5, attacking d4 and rapidly mobilising your queenside majority; Black\u2019s pieces will come out smoothly (\u2026Nb8-c6, \u2026Bf5 or \u2026Bd6, \u2026Rc8), and the extra piece should decide.<\/p>\n d3xc2<\/p>\n The pawn on d3 is a valuable spearhead in Black\u2019s position. \u2022 reinforces the pawn on d3, After 11\u2026Bf5, typical continuations are:<\/p>\n A) 12.g4 Nxg4 13.Nxg4 Bxg4, leaving Black a healthy extra pawn. No immediate drawbacks are apparent for Black, whereas passive moves would allow White to eliminate the d3-pawn with Nxe3-d3.<\/p>\n Therefore the most natural and sound continuation is:<\/p>\n c8-f5<\/p>\n The bishop on f5 is currently hanging: White is threatening 13 .Qxf5, winning the piece. 12\u2026Bf5\u2013e4 (Be4)<\/p>\n \u2022 The bishop steps to a secure square and immediately attacks the White queen on f3. The move eliminates the immediate tactical problem and seizes the initiative.<\/p>\n f5-e4<\/p>\n The bishop on e4 is a central monster, tying down White\u2019s kingside and supporting the advanced pawn on d3. \u2022 Attack the white queen. The only safe retreat square for White\u2019s queen after our move is g4; everywhere else it is captured.<\/p>\n Best is therefore the forcing:<\/p>\n f6-h5<\/p>\n The key feature of the current position is Black\u2019s strong dark-squared bishop on e4 and the advanced passed pawn on d3, while White\u2019s queen on g4 is exposed. 1. Attack the White queen on g4, forcing her to move. Other tempting moves such as 14\u2026f5? would allow 15.Qxh5, losing a full knight, so the safe and strong regrouping move 14\u2026Nf6 is preferable.<\/p>\n Move:<\/p>\n h5-f6<\/p>\n Your queen on h3 lies directly on the long diagonal of my dark-squared bishop on d7. d7-h3<\/p>\n<\/div>\n After assessing the position, the safest and strongest continuation is to complete the development of the queenside knight while reinforcing the pressure on d4 and e5 and preparing \u2026Bxd3 if White grabs the pawn on d3.<\/p>\n My move:<\/p>\n b8-c6<\/p>\n The pawn on b4 is hanging and there are no tactical drawbacks to removing it immediately. 1. The bishop arrives on an excellent diagonal (b4-e1) and at the same time wins a pawn. Other tries such as 17.Nxe4 Nxe4 18.Bxb4 Nxb4 leave material equal but with Black\u2019s outside pawn majority and advanced d3-pawn offering the better chances.<\/p>\n In short, 16…Bxb4 is safe, wins material at once and keeps the initiative.<\/p>\n e7-b4<\/p>\n After evaluating the possibilities, the strongest continuation is to eliminate White\u2019s central knight immediately, keeping your minor-piece majority and preserving your advanced pawn on d3. Move:<\/p>\n f6-e4<\/p>\n Black is already a full minor-piece up and has an advanced passed pawn on d3. 1. Our dark-squared bishop on b4 captures the white bishop on d2. Either way, 18\u2026Bxd2 is the cleanest and most forcing continuation.<\/p>\n b4-d2<\/p>\n The key tactical problem in the position is the double attack on the f7\u2013pawn by White\u2019s queen on f5 and knight on e5. 1. \u2026 Nxe5<\/p>\n After the knight capture:<\/p>\n \u2022 If 20.dxe5, the queen remains exposed to \u2026g6 (hitting the queen and shutting the f5-h7 diagonal) and Black keeps an extra knight and bishop. In every continuation Black is safely ahead.<\/p>\n c6-e5<\/p>\n Black is ahead a piece but the knight on e4 is presently attacked by White\u2019s queen. \u2022 removes the rook from the pin on the f-file, This keeps the extra material and maintains control of the position.<\/p>\n f8-e8<\/p>\n After 21.Qf5 White\u2019s queen is very active but also rather short of safe squares and, crucially, it sits directly in front of your f-pawn. 1. \u2026 g7-g6<\/p>\n \u2022 The pawn on g6 attacks the queen on f5; she must move. There are more elaborate winning lines, but 1\u2026g6 is the most direct and completely safe.<\/p>\n g7-g6<\/p>\n The position is overwhelmingly in Black\u2019s favour: Tactical motif: the white pawn on f2 is the only defender of g3\/h2 squares and also shields the white king from the black pieces. Removing that pawn with the knight comes with tempo (it attacks the queen and the rook on d1) and wins material.<\/p>\n Calculation:<\/p>\n 1. \u2026 Nxf2 There are no lines in which White can avoid heavy material loss; therefore this is the most direct and strongest continuation.<\/p>\n e4-f2<\/p>\n Your minor-piece on d2 is perfectly placed: it both restrains White\u2019s centre and eyes the weak e3\u2013pawn that shields the White rooks. \u2022 remove the last pawn that guards the rooks on the f- and d-files, No immediate counter-tactic for White works:<\/p>\n \u2022 24.Qf3? Bxf2+ wins the exchange. So the cleanest continuation is simply to take on e3 now.<\/p>\n d2-e3<\/p>\n Your bishop on e3 has both tactical and strategic power: By moving the bishop one step along its long diagonal you win material immediately while exposing the white king.<\/p>\n The main line is:<\/p>\n 24\u2026 Bxf2+\u200325.Qxf2 Re2!<\/p>\n If White takes the rook (26.Qxe2) the pawn d3\u2013e2 wins the white queen and promotes; if White instead tries 26.Qxf7+ Kh8, you remain a full rook and two pawns up with a crushing position.<\/p>\n Hence the immediate capture is the strongest continuation.<\/p>\n e3-f2<\/p>\n Black is a clear rook and three pawns up and has a dangerous passed pawn on d3. 1. … Re2! does exactly this:<\/p>\n \u2022 The rook on e8 lands on e2 with tempo, attacking the white queen on f2. After \u2026Re2 Black is winning by force in every line.<\/p>\n Therefore the best move is:<\/p>\n e8-e2<\/p>\n The immediate tactical problem we must neutralise is White\u2019s threat of 27.Qxf7+ which would check the king and pick up material. 1. \u2026 Qe7 fulfils all of these aims:<\/p>\n \u2022 Protects f7, eliminating the check on f7. Therefore the most solid and forceful continuation is:<\/p>\n d8-e7<\/p>\n Your rook on e2 is under attack from White\u2019s queen on d3, but this also allows a decisive invasion on the back rank.<\/p>\n 1. \u2026 e2-e1+<\/p>\n The rook drops to e1 with check: Whichever defence White chooses, Black converts the extra material easily.<\/p>\n e2-e1+<\/p>\n Your rook sacrifice accomplished its purpose: the white monarch is fixed on the back rank and the only remaining major piece protecting him is the queen on d3. e7-e1+<\/p>\n Material balance and king safety strongly favor Black:<\/p>\n Black pieces White pieces The white king is exposed, while Black\u2019s king is perfectly safe and Black still has a rook to White\u2019s none. 1. \u2026 Qe3+ Keeping the powerful attacking queen while bringing the rook in is the cleanest winning plan.<\/p>\n e1-e3<\/p>\n With your queen on e3 you can capture White\u2019s queen on f2, forcing 31.Kxf2. e3-f2<\/p>\n With queens gone you are a clear rook-up and two pawns ahead. 1. \u2026 Rc8 Move in long algebraic notation:<\/p>\n a8-c8<\/p>\n With Black up by a rook and two pawns, I had no chances. I resigned.<\/p>\n Lesser models, even GPT4.1, are not quite this capable. It appears that the “reasoning” capability of GPT4.1-o3 plays a non-trivial role in its ability to coherently analyze the board.<\/p>\n No, don’t worry, I am not declining a job, refusing a honor, or rejecting a contract. It’s just chess. GPT, specifically the GPT4.1-o3 model, just beat me in chess. I was playing white. GPT won in 31 moves. The fact that I am beaten in a game of chess by even a minimally capable opponent […]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-13517","post","type-post","status-publish","format-standard","hentry","category-cybernetics","category-58-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/13517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13517"}],"version-history":[{"count":15,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/13517\/revisions"}],"predecessor-version":[{"id":13574,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/13517\/revisions\/13574"}],"wp:attachment":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Move 1<\/h4>\n
\nAs Black you have the usual range of sound replies:<\/p>\n
\n\u2022 1\u2026e6 \u2013 keeping everything flexible and eyeing \u2026d5 or a possible French structure.
\n\u2022 1\u2026c5 \u2013 an immediate Benoni\/Benoni-like strike, though it gives White the option of 2.d5.
\n\u2022 1\u2026g6 \u2013 the Modern\/King\u2019s Fianchetto.
\n\u2022 1\u2026c6 \u2013 the Slav\/Caro-Slav move, preparing \u2026d5 under excellent conditions.
\n\u2022 1\u2026d5 \u2013 the most straightforward, fighting for the same central square and keeping maximum piece freedom.<\/p>\n
\nMove 2<\/h4>\n
\n2. Decline with 2\u2026e7-e6 (Queen\u2019s Gambit Declined) or 2\u2026c7-c6 (Slav Defence).<\/p>\n
\nMove 3<\/h4>\n
\nBlack stands solid: the d5- and e6-pawns form the usual QGD pawn chain, and all pieces are on their original squares, ready to develop.<\/p>\n
\n1. Rapid development and king safety: getting minor pieces out and castling are top priorities.
\n2. Pressure on the d4-pawn: once the king knight reaches f6, Black can support \u2026c5 or \u2026e5 breaks later, or put a bishop on e7 or b4.
\n3. Flexibility: keeping options open for either \u2026c5 (Tarrasch-like) or \u2026c6 (Semi-Slav \/ Orthodox) structures.<\/p>\n
\n\u2022 It prepares quick castling.
\n\u2022 It leaves both \u2026c5 and \u2026c6 possibilities available for the next few moves.<\/p>\n
\nMove 4<\/h4>\n
\nAs Black you have several normal developing possibilities:<\/p>\n
\n2. \u2026c5 \u2013 directly striking at the centre (Tarrasch\/IQP structures).
\n3. \u2026Nbd7 \u2013 quiet development.
\n4. \u2026Bb4+ \u2013 an active check that develops a piece, forces White to reveal how he will block, and often induces Nc3, giving Black typical Nimzo-style play.<\/p>\n
\nf8-b4<\/p>\n
\nMove 5<\/h4>\n
\nRather than exchanging it for the bishop on d2 (which would give away your active dark-squared bishop), you can keep the bishop and maintain the pressure by retreating along the long diagonal.
\nThe safest square that continues development and prepares quick castling is e7.<\/p>\n
\nMove 6<\/h4>\n
\n2. Challenge White\u2019s central pawns before they can advance.
\n3. Keep an eye on the h7-square: after we castle, White\u2019s bishop on d3 does hit h7, but without a knight on g5 the classical Bxh7+ sacrifice is unsound.<\/p>\n
\nMove 7<\/h4>\n
\n\u2022 White controls the centre with pawns on d4 and c4, pieces developed to d3, d2 and f3, and has just castled.
\n\u2022 Black is solid but slightly cramped; the light-squared bishop on c8 and the queen-side knight still need to get into play.
\n\u2022 The only immediate tactical idea for White is the classic Bxh7+ sacrifice. With the knight already on f3 that idea requires 8.Bxh7+ Kxh7 9.Ng5+, but after \u2026Kg8 the attack is insufficient. Still, it is prudent for Black not to make weakening pawn moves such as \u2026h6 or \u2026g6 right now.<\/p>\n
\n1. Challenge White\u2019s centre.
\n2. Free the c8 bishop and the b8 knight.
\n3. Keep the king safe and avoid giving White an easy target on the kingside.<\/p>\n
\n\u2022 It immediately attacks White\u2019s d4-pawn and prepares either \u2026dxc4 or \u2026exd5, depending on White\u2019s reply.
\n\u2022 After \u2026c5 the c8 bishop will often come out to b7 or g4, and the b8 knight gets the c6 square.
\n\u2022 The move does not create new weaknesses around the Black king.<\/p>\n
\nMove 8<\/h4>\n
\nRecapturing with the e-pawn restores material equality, places a Black pawn on the strong central square d5, and opens the diagonal for the c8-bishop.<\/p>\n
\nMove 9<\/h4>\n
\nWhite\u2019s knight on e5 is annoyingly centralized and the bishop on d3 controls the important h7\u2013b1 diagonal.
\nBlack would like to:<\/p>\n
\n2. Gain space on the queenside.
\n3. Prepare \u2026Nc6 to challenge the e5-knight under better circumstances.<\/p>\n
\n\u2022 The advance fixes the d4-pawn and clamps the light squares (b3, d3).
\n\u2022 Once the bishop retreats, \u2026Nb8-c6 (or \u2026Nb8-d7) can follow, directly contesting the knight on e5.<\/p>\n
\nIf White tries 10.Nxc4? then 10\u2026d5xc4 wins a piece; after 11.Bd3xc4 Black is a full minor piece up for two pawns.
\nTherefore White\u2019s best is simply to move the bishop (10.Bc2 or 10.Be2), after which Black continues with \u2026Nc6, equalising and even taking the initiative.<\/p>\n
\nMove 10<\/h4>\n
\nMove 11<\/h4>\n
\nBy exchanging it for White\u2019s c-pawn you<\/p>\n
\n\u2022 remove an important defender of the d4\u2013square,
\n\u2022 open the d-file for your queen and rooks,
\n\u2022 and leave yourself a healthy extra minor piece with no structural weaknesses.<\/p>\n
\nMove 11<\/h4>\n
\nDeveloping the queenside bishop to f5 both<\/p>\n
\n\u2022 places the bishop on an active diagonal (b1\u2013h7),
\n\u2022 prepares \u2026Rc8 or \u2026Nc6, and
\n\u2022 sets tactical ideas such as \u2026Nxg4 if White answers with g2-g4.<\/p>\n
\nB) 12.f3 h6 (or 12\u2026Nc6), keeping the strong outpost on d3.
\nC) 12.Qf3 Be4, forcing White\u2019s queen off the diagonal and keeping up the pressure.<\/p>\n
\nMove 12<\/h4>\n
\nBy retreating the bishop we not only remove it from capture but turn it into an active, tactical weapon.<\/p>\n
\n\u2022 It also points along the long diagonal toward g2 and h1, creating latent pressure on the White king-side.
\n\u2022 If 13.Nxe4 dxe4 the bishop\/knight exchange leaves Black with a powerful supported pawn on e4 that again attacks the White queen; White cannot reply 14.Qxe4 because 14\u2026Nxe4 wins the queen.
\n\u2022 Any queen retreat such as 13.Qg3 or 13.Qe2 leaves the pawn on d3 firmly anchored and the e4-bishop dominating the position, after which Black can continue with \u2026Nbd7, \u2026Rc8 or \u2026Bb4, steadily improving.<\/p>\n
\nMove 13<\/h4>\n
\nWhite\u2019s last move 13.Qf4 attacked this bishop, but it also left the queen slightly exposed.
\nBy moving our knight with tempo we:<\/p>\n
\n\u2022 Remove the only defender of the e4-square (the queen); if White captures 14.Qxe4 we reply 14\u2026dxe4 winning the queen.
\n\u2022 Keep all our active pieces on the board and maintain control of the dark squares.<\/p>\n
\nMove 14<\/h4>\n
\nYour knight on h5 is doing nothing constructive; by repositioning it to f6 you:<\/p>\n
\n2. Bring the knight back toward the centre, where it helps protect the king and supports the bishop on e4.
\n3. Keep firm control of g4, e4 and d5, and prepare \u2026d4 or \u2026c5 in the future while preserving the extra pawn on d3.<\/p>\n
\nMove 15<\/h4>\n
\nThere are no pieces between them (e6, f5 and g4 are empty), so I can simply capture the queen, winning decisive material.
\nAfter 15\u2026Bxh3 the only plausible reply is 16.gxh3, when Black is a full queen up and can continue with moves like 16\u2026dxe4 or 16\u2026Nc6 with an overwhelming position.<\/p>\n
\nMove 15<\/h4>\n
\nMove 16<\/h4>\n
\nAfter 16…Bxb4<\/p>\n
\n2. If White plays 17.Rab1 we can answer 17…Bxc3, eliminating one of the knights and keeping the extra pawn.
\n3. If 17.Nxc6 bxc6 18.Nxe4 dxe4 we again stay a pawn up, while the passed pawn on d3 (now e4) and the c6-pawn give Black lasting pressure.<\/p>\n
\nMove 17<\/h4>\n
\nThe resulting positions favor Black in every major line (18.Bxb4, 18.Nxc6, 18.Nxd3 or 18.f3), leaving Black at least one extra minor piece with no compensation for White.<\/p>\n
\nMove 18<\/h4>\n
\nWhite\u2019s last move (Rad1) lined the rook up with the bishop on d2, hoping to recapture on e4 or d3 and untangle.
\nWe can exploit the overload of that rook\/bishop tandem:<\/p>\n
\n\u2022 If White recaptures with 19.Rxd2, our knight on e4 jumps to d2, winning the rook (19\u2026Nxd2) and leaving us a rook and a piece ahead.
\n\u2022 If White instead tries 19.Nxc6, we simply reply 19\u2026bxc6 and remain a clear piece up while the bishop on d2 still attacks the rook on f1.<\/p>\n
\nMove 19<\/h4>\n
\nBy eliminating the white knight we remove one of the attackers, simplify the position, and keep our large material advantage (we remain two minor pieces up).<\/p>\n
\n\u2022 If 20.Qxe5, 20\u2026Re8 drives the queen away and Black still has an extra bishop and knight.<\/p>\n
\nMove 20<\/h4>\n
\nMoving the rook to e8 simultaneously:<\/p>\n
\n\u2022 attacks the white queen, forcing it off the e-file, and
\n\u2022 tactically protects the knight on e4 (if 21.Qxe4, then 21\u2026Rxe4 wins White\u2019s queen).<\/p>\n
\nMove 21<\/h4>\n
\nYour minor pieces are excellently posted (bishop d2 and knight e4) and the protected passed pawn on d3 gnaws away at White\u2019s centre.
\nThe simplest and most forcing way to capitalise is to drive the white queen off the f-file. Pushing the g-pawn does just that:<\/p>\n
\n\u2022 If 22.Qxf7+? the black king calmly plays 22\u2026Kxf7 and wins the white queen on the spot \u2013 Black keeps his own queen and emerges a full queen and minor piece up.
\n\u2022 If 22.Qxe4, 22\u2026d5xe4 again picks up the queen.
\n\u2022 Retreats such as 22.Qf4 or 22.Qh3 leave Black with a huge material advantage (still up two minor pieces), a strong passed pawn on d3 and the better prospects on every sector of the board.<\/p>\n
\nMove 22<\/h4>\n
\n\u2022 Material \u2013 Black has an extra bishop and knight.
\n\u2022 Piece activity \u2013 Black\u2019s minor pieces (B d2 and N e4) are powerfully posted; the knight on e4 attacks c3, d2, f2, g3, g5 and, crucially, the white queen.
\n\u2022 King safety \u2013 the black king is perfectly safe behind the g6-pawn, while the white king is short of defenders.<\/p>\n
\nIf 2. Rxf2 Bxe3+ wins another pawn and keeps a clear extra bishop.
\nIf 2. Qf3 (or Qe2 \/ Qf4) Nxd1 snatches a whole rook; after 3.Qxd1 Black is up a full rook for a knight (still a bishop ahead overall).<\/p>\n
\nMove 23<\/h4>\n
\nBy playing \u2026Bxe3 you<\/p>\n
\n\u2022 attack the f2\u2013rook directly,
\n\u2022 open the d-file for your queen and rook, and
\n\u2022 keep the option \u2026Bxf2+ in many follow-ups, winning material outright if the rook on f2 is not evacuated.<\/p>\n
\n\u2022 24.Rxd3 Bxf2+ also wins the exchange.
\n\u2022 24.Rf1 Re4 (or \u2026Qe7) leaves Black a healthy extra piece and a dominating position.<\/p>\n
\nMove 24<\/h4>\n
\n\u2022 It pins the white rook on f2 to the king on g1.
\n\u2022 It already attacks the pawn on d4 and supports your central passer on d3.
\n\u2022 The rook on e8 stands behind it on the open e-file, ready to invade.<\/p>\n
\nMove 25<\/h4>\n
\nThe most direct way to exploit the material advantage is to drive the white queen off the second rank (or win it outright) while invading with the rooks.<\/p>\n
\n\u2022 If 26.Qxe2, then 26…dxe2 wins the white queen and leaves Black a queen + rook versus a lone rook.
\n\u2022 If 26.Qf3 (or 26.Qf1), Black keeps the rook on the second rank, eyes g2 and h2, can pick up the a-pawn with \u2026Rxa2, and can follow up with \u2026Qe7 or \u2026Qe8 to prepare \u2026Re1+.
\n\u2022 If 26.Rxd3, Black replies 26\u2026Rxf2+, again removing the white queen and keeping a huge material edge.<\/p>\n
\nMove 26<\/h4>\n
\nBy transferring our queen to the e-file we guard the f7-pawn, keep the e-file under our control and prepare ideas such as \u2026Re1+ should White capture the d3-pawn.<\/p>\n
\n\u2022 Keeps the d3-pawn protected (queen now also covers it).
\n\u2022 Sets up the sequence 27.Qxd3 Re3 28.Qxe3 Qxe3+ winning a queen, or
\n27.Rxd3 Re1+ 28.Rxe1 Qxe1+ winning a rook.
\n\u2022 Maintains a decisive material advantage in every line.<\/p>\n
\nMove 27<\/h4>\n
\n\u2022 If 2.Rxe1 Qxe1+ 3.Qf1 (only move) Qe3+ (or exchange queens) and Black remains a full rook up.
\n\u2022 If 2.Kf2 (or 2.Qf1) Black plays 2\u2026Rxd1 (or 2\u2026Rxf1+) followed by \u2026Ra8-e8, again leaving Black a rook (or a queen) up with a won position.<\/p>\n
\nMove 28<\/h4>\n
\nNow the simplest and strongest continuation is to take the rook on e1 with check.
\nAfter 28\u2026Qxe1+ the line 29.Qf1 Qxf1+ 30.Kxf1 leaves Black a full rook and three pawns up in a rook-versus-bare-king ending, which is completely winning.
\nIf White declines the queen trade (for example with 29.Qf1 Qe3+), further checks drive the king into the open while Black keeps the extra rook and pawns.<\/p>\n
\nMove 29<\/h4>\n
\n\u2022 King: g8
\n\u2022 Queen: e1
\n\u2022 Rook: a8
\n\u2022 Pawns: a7 b7 d5 f7 g6 h7<\/p>\n
\n\u2022 King: g1
\n\u2022 Queen: f1
\n\u2022 Pawns: a2 d4 g2 h2<\/p>\n
\nThe most forcing continuation is to keep queens on the board and drive the white king into further danger.<\/p>\n
\n\u2022 The queen shifts to e3 with check along the e3\u2013f2\u2013g1 diagonal.
\n\u2022 White\u2019s only serious replies are 2.Qf2 (interposing and offering a queen trade) or 2.Kh1.
\n\u2013 If 2.Qf2, Black can choose between the comfortable queen trade 2\u2026Qxf2+ 3.Kxf2 and a technically winning rook-and-pawns ending, or continue the attack (e.g., 2\u2026Qc1+ 3.Qf1 Qe3, repeating until White collapses).
\n\u2013 If 2.Kh1, Black follows with 2\u2026Re8, bringing the rook into the attack while maintaining the pin on the f-file. Either way White\u2019s position is hopeless.<\/p>\n
\nMove 30<\/h4>\n
\nAfter the queens are exchanged you will be a full rook up (rook versus no rook) in a simple end-game with six pawns against four.<\/p>\n
\nMove 31<\/h4>\n
\nYour plan should be to activate the rook, penetrate on the second rank and start collecting pawns.
\nFrom a8 the quickest way is to swing the rook to the open c-file:<\/p>\n
\n\u2022 The rook heads for c2 (\u2026Rc2, \u2026Rxa2, \u2026Rd2, etc.).
\n\u2022 White has no heavy piece to oppose you, so infiltration is inevitable.
\n\u2022 Your king and pawns are safe; meanwhile the d-pawn is blockaded and will soon fall once the rook invades.<\/p>\n
\n<\/div>\n<\/div>\n