r3k1r1/4p2p/pn1p4/1Pp1Ppb1/PP5P/R2P1KPR/2Q1P3/BN3BN1 b - - 4 23
FEN state: r3k1r1/4p2p/pn1p4/1Pp1Ppb1/PP5P/R2P1KPR/2Q1P3/BN3BN1 b - - 4 23 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at g8. Black pawn at e7 and black pawn at h7. Black pawn at a6, black knight at b6 and black pawn at d6. White pawn at b5, black pawn at c5, white pawn at e5, black pawn at f5 and black bishop at g5. White pawn at a4, white pawn at b4 and white pawn at h4. White rook at a3, white pawn at d3, white king at f3, white pawn at g3 and white rook at h3. White queen at c2 and white pawn at e2. White bishop at a1, white knight at b1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. Black to move.