rn1q2r1/p2ppkbp/5p2/PnB5/4P1R1/1pPP4/1P2NP2/2RQKBn1 b - - 1 21
FEN state: rn1q2r1/p2ppkbp/5p2/PnB5/4P1R1/1pPP4/1P2NP2/2RQKBn1 b - - 1 21 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black rook at g8. Black pawn at a7, black pawn at d7, black pawn at e7, black king at f7, black bishop at g7 and black pawn at h7. Black pawn at f6. White pawn at a5, black knight at b5 and white bishop at c5. White pawn at e4 and white rook at g4. Black pawn at b3, white pawn at c3 and white pawn at d3. White pawn at b2, white knight at e2 and white pawn at f2. White rook at c1, white queen at d1, white king at e1, white bishop at f1 and black knight at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.