r1bq1b2/p1knp1n1/1p1r4/5p2/P3PBpp/5BP1/1PP2P1P/RN2KN1R b KQ - 1 20
FEN state: r1bq1b2/p1knp1n1/1p1r4/5p2/P3PBpp/5BP1/1PP2P1P/RN2KN1R b KQ - 1 20 ; Best move: e7e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at a7, black king at c7, black knight at d7, black pawn at e7 and black knight at g7. Black pawn at b6 and black rook at d6. Black pawn at f5. White pawn at a4, white pawn at e4, white bishop at f4, black pawn at g4 and black pawn at h4. White bishop at f3 and white pawn at g3. White pawn at b2, white pawn at c2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white knight at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 20. Black to move.