rnb1kb1r/1p2p2p/1q1p4/pNp1Ppp1/1P1P1BQP/8/P1PK1PB1/R5NR w - - 1 18
FEN state: rnb1kb1r/1p2p2p/1q1p4/pNp1Ppp1/1P1P1BQP/8/P1PK1PB1/R5NR w - - 1 18 ; Best move: b5d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at e7 and black pawn at h7. Black queen at b6 and black pawn at d6. Black pawn at a5, white knight at b5, black pawn at c5, white pawn at e5, black pawn at f5 and black pawn at g5. White pawn at b4, white pawn at d4, white bishop at f4, white queen at g4 and white pawn at h4. White pawn at a2, white pawn at c2, white king at d2, white pawn at f2 and white bishop at g2. White rook at a1, 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.