rnbk1br1/p1qp2pp/5n2/1p2pp2/P1pP1P2/RN2B2P/1PP1PKPR/1N1Q1B2 b - - 3 13
FEN state: rnbk1br1/p1qp2pp/5n2/1p2pp2/P1pP1P2/RN2B2P/1PP1PKPR/1N1Q1B2 b - - 3 13 ; Best move: e5f4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black queen at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black knight at f6. Black pawn at b5, black pawn at e5 and black pawn at f5. White pawn at a4, black pawn at c4, white pawn at d4 and white pawn at f4. White rook at a3, white knight at b3, white bishop at e3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at e2, white king at f2, white pawn at g2 and white rook at h2. White knight at b1, white queen at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 3. Full move number is 13. Black to move.