r2R4/1b1p1k1p/p7/1p2P1P1/1np1p1p1/B1P5/P2QPKB1/RN4N1 b - - 0 23
FEN state: r2R4/1b1p1k1p/p7/1p2P1P1/1np1p1p1/B1P5/P2QPKB1/RN4N1 b - - 0 23 ; Best move: b4d3
The current state of the chess board is: Black rook at a8 and white rook at d8. Black bishop at b7, black pawn at d7, black king at f7 and black pawn at h7. Black pawn at a6. Black pawn at b5, white pawn at e5 and white pawn at g5. Black knight at b4, black pawn at c4, black pawn at e4 and black pawn at g4. White bishop at a3 and white pawn at c3. White pawn at a2, white queen at d2, white pawn at e2, white king at f2 and white bishop at g2. White rook at a1, white knight at b1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. Black to move.