1r1q1bn1/2pkNp2/p2p3p/4p1p1/1pb5/P1Q1P1NP/1B1P1PP1/1R3RK1 b - - 0 21
FEN state: 1r1q1bn1/2pkNp2/p2p3p/4p1p1/1pb5/P1Q1P1NP/1B1P1PP1/1R3RK1 b - - 0 21 ; Best move: b4c3
The current state of the chess board is: Black rook at b8, black queen at d8, black bishop at f8 and black knight at g8. Black pawn at c7, black king at d7, white knight at e7 and black pawn at f7. Black pawn at a6, black pawn at d6 and black pawn at h6. Black pawn at e5 and black pawn at g5. Black pawn at b4 and black bishop at c4. White pawn at a3, white queen at c3, white pawn at e3, white knight at g3 and white pawn at h3. White bishop at b2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at b1, white rook at f1 and white king at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.