2bqk2r/r1pp2b1/np3pp1/p1P3Bp/1P1PP1PP/P3n2R/3QBP2/RN2K1N1 w Q - 3 18
FEN state: 2bqk2r/r1pp2b1/np3pp1/p1P3Bp/1P1PP1PP/P3n2R/3QBP2/RN2K1N1 w Q - 3 18 ; Best move: g5e3
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black rook at a7, black pawn at c7, black pawn at d7 and black bishop at g7. Black knight at a6, black pawn at b6, black pawn at f6 and black pawn at g6. Black pawn at a5, white pawn at c5, white bishop at g5 and black pawn at h5. White pawn at b4, white pawn at d4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a3, black knight at e3 and white rook at h3. White queen at d2, white bishop at e2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 3. Full move number is 18. White to move.