Stuck at Your Current Rating?

Signup for free to join thousands of players who improved their game with our personalized tips and analysis

Free Signup

Move preview

gmwso vs ShadowKing71

win

Date: 2026-03-26 20:56:53 | Game Link

Game Navigator

3 key moments

Game Snapshot

Nimzo-Indian Defense: St. Petersburg Variation

Crucial Positions

	move #	position	classification	description
Move #: 26 Move: b4 missed opportunity Midgame missed stronger move (gap 416cp)	26	b4	missed opportunity	Midgame missed stronger move (gap 416cp)
WHAT HAPPENED Move Played: b4 White played 26. b4, pushing the pawn from b2 to b4. The move does not address any of the immediate threats on the board: Black still threatens Qxg2, and White's queen on f6 remains undefended. By playing b4, White also leaves the bishop on b5, rook on c1 and queen on f6 vulnerable, while none of Black's undefended pieces (d6, e4) are challenged. Consequently White loses a tempo and allows Black to continue with ...Nb3, keeping the pressure alive. WHY IT'S BETTER Engine suggested: Qh8+ The engine recommends 26. Qh8+! forcing the black king to move (26...Ke7) and immediately exploiting the fact that Black's queen on e4 and pawn on d6 are undefended. After the check, White can capture on d6 or f7 with decisive material gain, while Black's counter‑threat Qxg2 is neutralised. The checking move also removes the queen from the vulnerable f6 square, eliminating the tactical vulnerability that b4 ignored. KEY PRINCIPLE Prioritize Checks and Threats Over Quiet Moves: When you have a forcing move that attacks the king, play it first. Checks can win material and eliminate opponent threats, whereas quiet pawn pushes may waste time and expose your pieces.
Move #: 30 Move: Bb5+ missed opportunity Midgame missed stronger move (gap 99144cp)	30	Bb5+	missed opportunity	Midgame missed stronger move (gap 99144cp)
WHAT HAPPENED Move Played: Bb5+ White chose 30. Bb5+, delivering a check with the bishop. The move checks the black king but does not deliver mate. After the check, Black can interpose or move, and White still has to continue the attack. Meanwhile, White's queen on h8 and other pieces remain exposed to Black's counter‑threats (e.g., ...b4, ...d7, ...g2). WHY IT'S BETTER Engine suggested: Bf5# The engine's top move is 30. Bf5#, a direct checkmate. By placing the bishop on f5, White covers all escape squares and the black king is completely trapped, ending the game immediately. This eliminates any chance for Black to generate counterplay and avoids unnecessary extra moves. The missed opportunity cost White a few seconds and a cleaner finish. KEY PRINCIPLE Always Look for the Fastest Mate: When a forced checkmate exists, calculate it first. Delivering the quickest mate saves time and prevents the opponent from creating any threats.
Move #: 32 Move: Bc8# checkmate Delivered checkmate	32	Bc8#	checkmate	Delivered checkmate
WHAT HAPPENED Move Played: Bc8# White played 32. Bc8#, delivering checkmate. The move puts the black king in check and there is no legal defense. All escape squares are covered by White's queen on h8 and bishop on c8, and Black's pieces cannot block or capture the checking piece. WHY IT'S BETTER Engine suggested: Bf5# The engine suggests 32. Bf5# as an alternative mating move. Both moves achieve immediate mate, so either is perfectly correct. Bf5# may be considered slightly more natural because the bishop stays on the same diagonal that already controls key escape squares, but the essential point is that White has already forced a win. KEY PRINCIPLE Recognise and Execute Forced Mates: Once you see a forced checkmate, any move that completes the pattern wins. The exact square of the delivering piece can vary, but the priority is to finish the game decisively.

Master Lens

White (GMWSO) won by checkmate after a sharp attack in the Nimzo‑Indian Defense. The game demonstrates how a well‑timed series of checks can crush a king that is stuck in the centre, and why it’s crucial to choose forcing moves over quiet pawn pushes when the opponent’s king is exposed.

What The GM Did Well By Phase

Opening

White built a solid pawn centre with **d4**, **c4**, and later **e4**, while developing the knights to **c3** and **e2** and the bishop to **b5** where it eyed the black queen side. By playing **a3** and forcing the exchange on **c6**, White cleared the c‑file for the rook and kept the bishop pair active. This shows the principle of using early piece activity and pawn breaks to claim space and open lines for the heavy pieces.

Middlegame

After the queens were exchanged, White spotted the black king trapped on the e‑file. The critical sequence began with **27.Qh8+** forcing the king to **Ke7**, then **28.Rc7+** and **29.Bd7+** kept the king shuffling between e6 and e7. Even though **26.b4** was a tempo‑losing move (the stronger **26.Qh8+!** would have won material immediately), White recovered by delivering a series of forcing checks, culminating in the forced mate **32.Bc8#**. The lesson is to always prioritize checks and threats (especially when the opponent’s king is vulnerable) over quiet moves that do not address the immediate danger.

Game Themes

passed pawns castling fianchetto bishop pair mate-in-1