brq1r3/p3k1p1/2p2np1/2Rpp2p/1n6/BP1P1P1P/2PQPK1R/1N3BN1 w - - 0 23
FEN state: brq1r3/p3k1p1/2p2np1/2Rpp2p/1n6/BP1P1P1P/2PQPK1R/1N3BN1 w - - 0 23 ; Best move: a3b4
The current state of the chess board is: Black bishop at a8, black rook at b8, black queen at c8 and black rook at e8. Black pawn at a7, black king at e7 and black pawn at g7. Black pawn at c6, black knight at f6 and black pawn at g6. White rook at c5, black pawn at d5, black pawn at e5 and black pawn at h5. Black knight at b4. White bishop at a3, white pawn at b3, white pawn at d3, white pawn at f3 and white pawn at h3. White pawn at c2, white queen at d2, white pawn at e2, white king at f2 and white rook at h2. White knight at b1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.