rn1q2nr/p3kp1p/B5p1/2ppp3/P3P3/bbP3PP/1P1P1P2/RNB1K1NR w KQ - 0 13
FEN state: rn1q2nr/p3kp1p/B5p1/2ppp3/P3P3/bbP3PP/1P1P1P2/RNB1K1NR w KQ - 0 13 ; Best move: a6b7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at a7, black king at e7, black pawn at f7 and black pawn at h7. White bishop at a6 and black pawn at g6. Black pawn at c5, black pawn at d5 and black pawn at e5. White pawn at a4 and white pawn at e4. Black bishop at a3, black bishop at b3, white pawn at c3, white pawn at g3 and white pawn at h3. White pawn at b2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 13. White to move.