Shishov — Byvshev

Riga, 1954

• Mikhail Shishov (1910–1981)Soviet master (1951), five-time Georgian champion (1944–1956), and Honoured Coach of the USSR. He trained Nona Gaprindashvili on her way to the women's world title.
• Vasily Byvshev (1922–1998)Soviet master (1949) who played in three USSR Championship finals (1952–1956). He then coached in Leningrad for over four decades, and his pupils included future FIDE World Champion Alexander Khalifman.

The white queen has broken into the opponent's camp, but it looks as if the rest of the pieces cannot follow it through the pawn "barricades." Black has a material advantage, and no compensation for it is in sight. Yet there followed...

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1. 43.
2. What now? The queen cannot take the f4 pawn — the d8 knight falls — and 44. fxe5 is threatened, blowing up the pawn chain
3. 43.
4. 44.
5. 45.
6. The knight comes into play with great force
7. 45.
8. 46.
9. 47.
10. All three black pawns (e5, d6, c5) that locked the center are gone, and White's central pawns on c4 and d5 are now passed pawns that should decide the outcome of the fight
11. 47.
12. Black made a desperate attempt to save the game
13. 48.
14. 49.
15. 50.
16. A few moves later Black resigned
17. The source has White already practically winning here, but the engine still rates the position as roughly equal