rn1qk1nr/p1p2p2/1p1b3p/2P3p1/3pp2P/PPB2P2/2b1K1P1/RN1Q1BNR w kq - 0 13
FEN state: rn1qk1nr/p1p2p2/1p1b3p/2P3p1/3pp2P/PPB2P2/2b1K1P1/RN1Q1BNR w kq - 0 13 ; Best move: d1d4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at f7. Black pawn at b6, black bishop at d6 and black pawn at h6. White pawn at c5 and black pawn at g5. Black pawn at d4, black pawn at e4 and white pawn at h4. White pawn at a3, white pawn at b3, white bishop at c3 and white pawn at f3. Black bishop at c2, white king at e2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. White to move.