1rb3r1/pp1kppbp/5n2/1q2P1p1/P1pP1PP1/R1N2K2/1P4BP/n1B3NR w - - 1 18
FEN state: 1rb3r1/pp1kppbp/5n2/1q2P1p1/P1pP1PP1/R1N2K2/1P4BP/n1B3NR w - - 1 18 ; Best move: a4b5
The current state of the chess board is: Black rook at b8, black bishop at c8 and black rook at g8. Black pawn at a7, black pawn at b7, black king at d7, black pawn at e7, black pawn at f7, black bishop at g7 and black pawn at h7. Black knight at f6. Black queen at b5, white pawn at e5 and black pawn at g5. White pawn at a4, black pawn at c4, white pawn at d4, white pawn at f4 and white pawn at g4. White rook at a3, white knight at c3 and white king at f3. White pawn at b2, white bishop at g2 and white pawn at h2. Black knight at a1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. White to move.