rn1k2nr/1pp2p1b/1b5B/pK1p2p1/2NPp1P1/PQP4P/2P1P2R/R4BN1 b - - 2 18
FEN state: rn1k2nr/1pp2p1b/1b5B/pK1p2p1/2NPp1P1/PQP4P/2P1P2R/R4BN1 b - - 2 18 ; Best move: d5c4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at f7 and black bishop at h7. Black bishop at b6 and white bishop at h6. Black pawn at a5, white king at b5, black pawn at d5 and black pawn at g5. White knight at c4, white pawn at d4, black pawn at e4 and white pawn at g4. White pawn at a3, white queen at b3, white pawn at c3 and white pawn at h3. White pawn at c2, white pawn at e2 and white rook at h2. White rook at a1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. Black to move.