5rnr/4b1p1/6k1/p1Bppb1p/3pP3/P1N2P1N/1PPK2PP/2R2BR1 b - - 4 23
FEN state: 5rnr/4b1p1/6k1/p1Bppb1p/3pP3/P1N2P1N/1PPK2PP/2R2BR1 b - - 4 23 ; Best move: d4c3
The current state of the chess board is: Black rook at f8, black knight at g8 and black rook at h8. Black bishop at e7 and black pawn at g7. Black king at g6. Black pawn at a5, white bishop at c5, black pawn at d5, black pawn at e5, black bishop at f5 and black pawn at h5. Black pawn at d4 and white pawn at e4. White pawn at a3, white knight at c3, white pawn at f3 and white knight at h3. White pawn at b2, white pawn at c2, white king at d2, white pawn at g2 and white pawn at h2. White rook at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. Black to move.