r1q4r/p2p1p1p/1pnp2pb/1bp2kP1/8/3PQP1P/PBP1P2R/R3KBN1 w Q - 2 18
FEN state: r1q4r/p2p1p1p/1pnp2pb/1bp2kP1/8/3PQP1P/PBP1P2R/R3KBN1 w Q - 2 18 ; Best move: e3e4
The current state of the chess board is: Black rook at a8, black queen at c8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at d6, black pawn at g6 and black bishop at h6. Black bishop at b5, black pawn at c5, black king at f5 and white pawn at g5. White pawn at d3, white queen at e3, white pawn at f3 and white pawn at h3. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at e2 and white rook at h2. White rook at a1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 18. White to move.