1nbk3r/1p1p1ppp/r2b3n/p2q2RQ/P1PppP2/RP5B/7P/N1B1K3 b - - 3 23
FEN state: 1nbk3r/1p1p1ppp/r2b3n/p2q2RQ/P1PppP2/RP5B/7P/N1B1K3 b - - 3 23 ; Best move: d6b4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at b7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black rook at a6, black bishop at d6 and black knight at h6. Black pawn at a5, black queen at d5, white rook at g5 and white queen at h5. White pawn at a4, white pawn at c4, black pawn at d4, black pawn at e4 and white pawn at f4. White rook at a3, white pawn at b3 and white bishop at h3. White pawn at h2. White knight at a1, white bishop at c1 and white king at e1. Both players have exhausted their castles. Half move number is 3. Full move number is 23. Black to move.