r1b1kr2/p2pbppp/np5B/8/1P1qp3/3Q4/P1P1PPP1/1R2KBNR w Kq - 0 13
FEN state: r1b1kr2/p2pbppp/np5B/8/1P1qp3/3Q4/P1P1PPP1/1R2KBNR w Kq - 0 13 ; Best move: d3d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at d7, black bishop at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at b6 and white bishop at h6. White pawn at b4, black queen at d4 and black pawn at e4. White queen at d3. White pawn at a2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.