rn2k1nr/ppp4p/B6b/4ppp1/4P1Q1/1b6/PP1PKPPP/RNB3NR w kq - 3 13
FEN state: rn2k1nr/ppp4p/B6b/4ppp1/4P1Q1/1b6/PP1PKPPP/RNB3NR w kq - 3 13 ; Best move: a6b5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7 and black pawn at h7. White bishop at a6 and black bishop at h6. Black pawn at e5, black pawn at f5 and black pawn at g5. White pawn at e4 and white queen at g4. Black bishop at b3. White pawn at a2, white pawn at b2, white pawn at d2, white king at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 13. White to move.