r1bqk1nr/1pp1pp2/p1np4/6Np/2PbP1P1/1Q6/PP1PKP1P/RNB2BR1 b - - 4 10
FEN state: r1bqk1nr/1pp1pp2/p1np4/6Np/2PbP1P1/1Q6/PP1PKP1P/RNB2BR1 b - - 4 10 ; Best move: h5g4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at f7. Black pawn at a6, black knight at c6 and black pawn at d6. White knight at g5 and black pawn at h5. White pawn at c4, black bishop at d4, white pawn at e4 and white pawn at g4. White queen at b3. White pawn at a2, white pawn at b2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 10. Black to move.