r2qk1n1/pbp3b1/1p2p1pr/3P1p2/1P4pP/P2P4/2PNKPN1/R1B2BR1 w - - 1 18
FEN state: r2qk1n1/pbp3b1/1p2p1pr/3P1p2/1P4pP/P2P4/2PNKPN1/R1B2BR1 w - - 1 18 ; Best move: a1b1
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black knight at g8. Black pawn at a7, black bishop at b7, black pawn at c7 and black bishop at g7. Black pawn at b6, black pawn at e6, black pawn at g6 and black rook at h6. White pawn at d5 and black pawn at f5. White pawn at b4, black pawn at g4 and white pawn at h4. White pawn at a3 and white pawn at d3. White pawn at c2, white knight at d2, white king at e2, white pawn at f2 and white knight at g2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. White to move.