r1bk3r/pp1p2n1/n1p5/P4QNp/5bPp/2P1P3/RP1PKP1P/1NB3R1 b - - 4 23
FEN state: r1bk3r/pp1p2n1/n1p5/P4QNp/5bPp/2P1P3/RP1PKP1P/1NB3R1 b - - 4 23 ; Best move: g7f5
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 pawn at a7, black pawn at b7, black pawn at d7 and black knight at g7. Black knight at a6 and black pawn at c6. White pawn at a5, white queen at f5, white knight at g5 and black pawn at h5. Black bishop at f4, white pawn at g4 and black pawn at h4. White pawn at c3 and white pawn at e3. White rook at a2, white pawn at b2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. Black to move.