1rbk1bn1/p4p1r/2np4/3Pp1Pp/Pp3BPP/3PP2R/1P6/1R1K1BN1 b - - 2 20
FEN state: 1rbk1bn1/p4p1r/2np4/3Pp1Pp/Pp3BPP/3PP2R/1P6/1R1K1BN1 b - - 2 20 ; Best move: c6e7
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at f7 and black rook at h7. Black knight at c6 and black pawn at d6. White pawn at d5, black pawn at e5, white pawn at g5 and black pawn at h5. White pawn at a4, black pawn at b4, white bishop at f4, white pawn at g4 and white pawn at h4. White pawn at d3, white pawn at e3 and white rook at h3. White pawn at b2. White rook at b1, white king at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. Black to move.