r2qkbr1/pp2p3/2pp2pp/n2P2p1/4P3/P3B1Pb/1PP2PBn/RN2Q1KR w q - 1 15
FEN state: r2qkbr1/pp2p3/2pp2pp/n2P2p1/4P3/P3B1Pb/1PP2PBn/RN2Q1KR w q - 1 15 ; Best move: g1h2
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7 and black pawn at e7. Black pawn at c6, black pawn at d6, black pawn at g6 and black pawn at h6. Black knight at a5, white pawn at d5 and black pawn at g5. White pawn at e4. White pawn at a3, white bishop at e3, white pawn at g3 and black bishop at h3. White pawn at b2, white pawn at c2, white pawn at f2, white bishop at g2 and black knight at h2. White rook at a1, white knight at b1, white queen at e1, white king at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 15. White to move.