r3qR2/2k4p/3p3n/1Bp1Np2/p1P1P1P1/P3b3/1P1P1P2/RNBQ1K1R b - - 2 23
FEN state: r3qR2/2k4p/3p3n/1Bp1Np2/p1P1P1P1/P3b3/1P1P1P2/RNBQ1K1R b - - 2 23 ; Best move: e8e5
The current state of the chess board is: Black rook at a8, black queen at e8 and white rook at f8. Black king at c7 and black pawn at h7. Black pawn at d6 and black knight at h6. White bishop at b5, black pawn at c5, white knight at e5 and black pawn at f5. Black pawn at a4, white pawn at c4, white pawn at e4 and white pawn at g4. White pawn at a3 and black bishop at e3. White pawn at b2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. Black to move.