r1b1k1n1/1pqpbppr/n7/P1p1p2p/3P1P2/6KP/P1P1PQP1/RNB2BNR w q - 3 12
FEN state: r1b1k1n1/1pqpbppr/n7/P1p1p2p/3P1P2/6KP/P1P1PQP1/RNB2BNR w q - 3 12 ; Best move: d4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at b7, black queen at c7, black pawn at d7, black bishop at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6. White pawn at a5, black pawn at c5, black pawn at e5 and black pawn at h5. White pawn at d4 and white pawn at f4. White king at g3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at e2, white queen at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop 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 3. Full move number is 12. White to move.