r3k1nr/Pbn4p/3p2pb/P1pQ4/1P2qp2/N3pP1P/6PR/R3KBN1 w Qkq - 3 18
FEN state: r3k1nr/Pbn4p/3p2pb/P1pQ4/1P2qp2/N3pP1P/6PR/R3KBN1 w Qkq - 3 18 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black king at e8, black knight at g8 and black rook at h8. White pawn at a7, black bishop at b7, black knight at c7 and black pawn at h7. Black pawn at d6, black pawn at g6 and black bishop at h6. White pawn at a5, black pawn at c5 and white queen at d5. White pawn at b4, black queen at e4 and black pawn at f4. White knight at a3, black pawn at e3, white pawn at f3 and white pawn at h3. White pawn at g2 and white rook at h2. White rook at a1, white king at e1, white bishop at f1 and white knight at g1. White queenside, black kingside and black queenside castles are available. Half move number is 3. Full move number is 18. White to move.