rn1qkb1r/p2pp3/1Bp3pp/6pn/1P2PP2/3K3P/P1P3P1/RN1Q1BR1 w kq - 1 13
FEN state: rn1qkb1r/p2pp3/1Bp3pp/6pn/1P2PP2/3K3P/P1P3P1/RN1Q1BR1 w kq - 1 13 ; Best move: b6d8
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 bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7 and black pawn at e7. White bishop at b6, black pawn at c6, black pawn at g6 and black pawn at h6. Black pawn at g5 and black knight at h5. White pawn at b4, white pawn at e4 and white pawn at f4. White king at d3 and white pawn at h3. White pawn at a2, white pawn at c2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.