1r1qn2r/p1pkb2p/n7/1bPpBPp1/1p4P1/PP1P1PNN/5K1P/R2Q1B1R b - - 6 23
FEN state: 1r1qn2r/p1pkb2p/n7/1bPpBPp1/1p4P1/PP1P1PNN/5K1P/R2Q1B1R b - - 6 23 ; Best move: d5d4
The current state of the chess board is: Black rook at b8, black queen at d8, black knight at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at d7, black bishop at e7 and black pawn at h7. Black knight at a6. Black bishop at b5, white pawn at c5, black pawn at d5, white bishop at e5, white pawn at f5 and black pawn at g5. Black pawn at b4 and white pawn at g4. White pawn at a3, white pawn at b3, white pawn at d3, white pawn at f3, white knight at g3 and white knight at h3. White king at f2 and white pawn at h2. White rook at a1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 23. Black to move.