r2qk2r/1bppbp1p/n4n2/1p2B1p1/2P1P1PP/pPN5/P2PBP1N/1R1QK1R1 w k - 0 18
FEN state: r2qk2r/1bppbp1p/n4n2/1p2B1p1/2P1P1PP/pPN5/P2PBP1N/1R1QK1R1 w k - 0 18 ; Best move: h4g5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at d7, black bishop at e7, black pawn at f7 and black pawn at h7. Black knight at a6 and black knight at f6. Black pawn at b5, white bishop at e5 and black pawn at g5. White pawn at c4, white pawn at e4, white pawn at g4 and white pawn at h4. Black pawn at a3, white pawn at b3 and white knight at c3. White pawn at a2, white pawn at d2, white bishop at e2, white pawn at f2 and white knight at h2. White rook at b1, white queen at d1, white king at e1 and white rook at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. White to move.