2rq1r2/p1p4p/n3pkp1/1p3p2/1N1pP1P1/B1P1P2B/P1QP3n/KR5R b - - 0 23
FEN state: 2rq1r2/p1p4p/n3pkp1/1p3p2/1N1pP1P1/B1P1P2B/P1QP3n/KR5R b - - 0 23 ; Best move: a6b4
The current state of the chess board is: Black rook at c8, black queen at d8 and black rook at f8. Black pawn at a7, black pawn at c7 and black pawn at h7. Black knight at a6, black pawn at e6, black king at f6 and black pawn at g6. Black pawn at b5 and black pawn at f5. White knight at b4, black pawn at d4, white pawn at e4 and white pawn at g4. White bishop at a3, white pawn at c3, white pawn at e3 and white bishop at h3. White pawn at a2, white queen at c2, white pawn at d2 and black knight at h2. White king at a1, white rook at b1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.