r3qb1r/p1pbp3/n2p1kpp/1P6/2P2P1P/N2PP1Pp/1PQ2K2/1RB1R3 b - - 0 21
FEN state: r3qb1r/p1pbp3/n2p1kpp/1P6/2P2P1P/N2PP1Pp/1PQ2K2/1RB1R3 b - - 0 21 ; Best move: g6g5
The current state of the chess board is: Black rook at a8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at d7 and black pawn at e7. Black knight at a6, black pawn at d6, black king at f6, black pawn at g6 and black pawn at h6. White pawn at b5. White pawn at c4, white pawn at f4 and white pawn at h4. White knight at a3, white pawn at d3, white pawn at e3, white pawn at g3 and black pawn at h3. White pawn at b2, white queen at c2 and white king at f2. White rook at b1, white bishop at c1 and white rook at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.