4kbr1/1p2n1p1/P6p/p2pPP2/1n4PP/2Pp1P2/P1N2KbR/R1N1B3 b - - 2 23
FEN state: 4kbr1/1p2n1p1/P6p/p2pPP2/1n4PP/2Pp1P2/P1N2KbR/R1N1B3 b - - 2 23 ; Best move: b7a6
The current state of the chess board is: Black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black knight at e7 and black pawn at g7. White pawn at a6 and black pawn at h6. Black pawn at a5, black pawn at d5, white pawn at e5 and white pawn at f5. Black knight at b4, white pawn at g4 and white pawn at h4. White pawn at c3, black pawn at d3 and white pawn at f3. White pawn at a2, white knight at c2, white king at f2, black bishop at g2 and white rook at h2. White rook at a1, white knight at c1 and white bishop at e1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. Black to move.