rnbqkbr1/3p1p1p/1pp1pn2/p5P1/2P2PPR/NP3K2/P2PP3/R1BQ1BN1 b - - 2 10
FEN state: rnbqkbr1/3p1p1p/1pp1pn2/p5P1/2P2PPR/NP3K2/P2PP3/R1BQ1BN1 b - - 2 10 ; Best move: d7d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b6, black pawn at c6, black pawn at e6 and black knight at f6. Black pawn at a5 and white pawn at g5. White pawn at c4, white pawn at f4, white pawn at g4 and white rook at h4. White knight at a3, white pawn at b3 and white king at f3. White pawn at a2, white pawn at d2 and white pawn at e2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 10. Black to move.