r1b2b1r/p1p1kp2/2R4p/1p1pp3/1q5P/P2P1N2/1B1NPK2/Q3R3 b - - 3 21
FEN state: r1b2b1r/p1p1kp2/2R4p/1p1pp3/1q5P/P2P1N2/1B1NPK2/Q3R3 b - - 3 21 ; Best move: b4g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at e7 and black pawn at f7. White rook at c6 and black pawn at h6. Black pawn at b5, black pawn at d5 and black pawn at e5. Black queen at b4 and white pawn at h4. White pawn at a3, white pawn at d3 and white knight at f3. White bishop at b2, white knight at d2, white pawn at e2 and white king at f2. White queen at a1 and white rook at e1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. Black to move.