r1bk3r/n2pnp1p/p4bP1/5p2/p1pP1P1R/4P1P1/RqP1K3/2BQ1BN1 b - - 0 23
FEN state: r1bk3r/n2pnp1p/p4bP1/5p2/p1pP1P1R/4P1P1/RqP1K3/2BQ1BN1 b - - 0 23 ; Best move: b2a2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black rook at h8. Black knight at a7, black pawn at d7, black knight at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black bishop at f6 and white pawn at g6. Black pawn at f5. Black pawn at a4, black pawn at c4, white pawn at d4, white pawn at f4 and white rook at h4. White pawn at e3 and white pawn at g3. White rook at a2, black queen at b2, white pawn at c2 and white king at e2. White bishop at c1, white queen at d1, 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. Black to move.