r1b1k1nr/p5pp/1p2p3/1P3pP1/1bpp4/2NQ1PPN/P1P1P1K1/R1B2B1R w kq - 0 15
FEN state: r1b1k1nr/p5pp/1p2p3/1P3pP1/1bpp4/2NQ1PPN/P1P1P1K1/R1B2B1R w kq - 0 15 ; Best move: d3c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black pawn at e6. White pawn at b5, black pawn at f5 and white pawn at g5. Black bishop at b4, black pawn at c4 and black pawn at d4. White knight at c3, white queen at d3, white pawn at f3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at c2, white pawn at e2 and white king at g2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 15. White to move.