rn2k1n1/pbpqp2r/7b/1p1p2Pp/P2P1p2/1P4PP/1BPKP3/RNQ2BNR w q - 1 15
FEN state: rn2k1n1/pbpqp2r/7b/1p1p2Pp/P2P1p2/1P4PP/1BPKP3/RNQ2BNR w q - 1 15 ; Best move: g3f4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black knight at g8. Black pawn at a7, black bishop at b7, black pawn at c7, black queen at d7, black pawn at e7 and black rook at h7. Black bishop at h6. Black pawn at b5, black pawn at d5, white pawn at g5 and black pawn at h5. White pawn at a4, white pawn at d4 and black pawn at f4. White pawn at b3, white pawn at g3 and white pawn at h3. White bishop at b2, white pawn at c2, white king at d2 and white pawn at e2. White rook at a1, white knight at b1, white queen at c1, white bishop at f1, white knight 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.