1n2k1r1/r1p2p1p/p3pqpn/1N4B1/4b2N/2PQ2P1/PP2PK1P/1R3B1R w - - 1 18
FEN state: 1n2k1r1/r1p2p1p/p3pqpn/1N4B1/4b2N/2PQ2P1/PP2PK1P/1R3B1R w - - 1 18 ; Best move: g5f6
The current state of the chess board is: Black knight at b8, black king at e8 and black rook at g8. Black rook at a7, black pawn at c7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at e6, black queen at f6, black pawn at g6 and black knight at h6. White knight at b5 and white bishop at g5. Black bishop at e4 and white knight at h4. White pawn at c3, white queen at d3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at e2, white king at f2 and white pawn at h2. White rook at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. White to move.