2b1k1nr/3rp3/5p1b/p1ppq1pp/P2n1NN1/RPpP1P1P/3BP1P1/3QKB1R w k - 0 18
FEN state: 2b1k1nr/3rp3/5p1b/p1ppq1pp/P2n1NN1/RPpP1P1P/3BP1P1/3QKB1R w k - 0 18 ; Best move: g4e5
The current state of the chess board is: Black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black rook at d7 and black pawn at e7. Black pawn at f6 and black bishop at h6. Black pawn at a5, black pawn at c5, black pawn at d5, black queen at e5, black pawn at g5 and black pawn at h5. White pawn at a4, black knight at d4, white knight at f4 and white knight at g4. White rook at a3, white pawn at b3, black pawn at c3, white pawn at d3, white pawn at f3 and white pawn at h3. White bishop at d2, white pawn at e2 and white pawn at g2. White queen at d1, white king at e1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. White to move.