1n1qk2r/2p1p2p/r1b2bP1/pp1p4/PPRP1PK1/7P/2PnP1B1/1NB3NR w k - 5 18
FEN state: 1n1qk2r/2p1p2p/r1b2bP1/pp1p4/PPRP1PK1/7P/2PnP1B1/1NB3NR w k - 5 18 ; Best move: b1d2
The current state of the chess board is: Black knight at b8, black queen at d8, black king at e8 and black rook at h8. Black pawn at c7, black pawn at e7 and black pawn at h7. Black rook at a6, black bishop at c6, black bishop at f6 and white pawn at g6. Black pawn at a5, black pawn at b5 and black pawn at d5. White pawn at a4, white pawn at b4, white rook at c4, white pawn at d4, white pawn at f4 and white king at g4. White pawn at h3. White pawn at c2, black knight at d2, white pawn at e2 and white bishop at g2. White knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 5. Full move number is 18. White to move.