1n2k1r1/rbp2p2/pp4pp/P1bP4/1P1PpPnq/N3P1PN/RBQ3BP/4K2R w K - 0 18
FEN state: 1n2k1r1/rbp2p2/pp4pp/P1bP4/1P1PpPnq/N3P1PN/RBQ3BP/4K2R w K - 0 18 ; Best move: g3h4
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 bishop at b7, black pawn at c7 and black pawn at f7. Black pawn at a6, black pawn at b6, black pawn at g6 and black pawn at h6. White pawn at a5, black bishop at c5 and white pawn at d5. White pawn at b4, white pawn at d4, black pawn at e4, white pawn at f4, black knight at g4 and black queen at h4. White knight at a3, white pawn at e3, white pawn at g3 and white knight at h3. White rook at a2, white bishop at b2, white queen at c2, white bishop at g2 and white pawn at h2. White king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 18. White to move.