rnbq1bn1/1p1pk2r/6pp/1Ppp1p2/p3P3/P4P1P/R1PB1KPR/1N1Q1BN1 b - - 0 12
FEN state: rnbq1bn1/1p1pk2r/6pp/1Ppp1p2/p3P3/P4P1P/R1PB1KPR/1N1Q1BN1 b - - 0 12 ; Best move: d5e4
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 bishop at f8 and black knight at g8. Black pawn at b7, black pawn at d7, black king at e7 and black rook at h7. Black pawn at g6 and black pawn at h6. White pawn at b5, black pawn at c5, black pawn at d5 and black pawn at f5. Black pawn at a4 and white pawn at e4. White pawn at a3, white pawn at f3 and white pawn at h3. White rook at a2, white pawn at c2, white bishop at d2, white king at f2, white pawn at g2 and white rook at h2. White knight at b1, white queen at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 12. Black to move.