r1b2knr/ppp2B2/1q1p2Pb/B3p3/4P1p1/N2P4/PP2n1PP/1R3KNR w - - 6 23
FEN state: r1b2knr/ppp2B2/1q1p2Pb/B3p3/4P1p1/N2P4/PP2n1PP/1R3KNR w - - 6 23 ; Best move: a5b6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7 and white bishop at f7. Black queen at b6, black pawn at d6, white pawn at g6 and black bishop at h6. White bishop at a5 and black pawn at e5. White pawn at e4 and black pawn at g4. White knight at a3 and white pawn at d3. White pawn at a2, white pawn at b2, black knight at e2, white pawn at g2 and white pawn at h2. White rook at b1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 23. White to move.