1nbqk3/1ppp2b1/rn3pr1/4P1pp/8/P1K1Q3/1BP1PPPP/R4BNR w - - 4 20
FEN state: 1nbqk3/1ppp2b1/rn3pr1/4P1pp/8/P1K1Q3/1BP1PPPP/R4BNR w - - 4 20 ; Best move: e5f6
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at b7, black pawn at c7, black pawn at d7 and black bishop at g7. Black rook at a6, black knight at b6, black pawn at f6 and black rook at g6. White pawn at e5, black pawn at g5 and black pawn at h5. White pawn at a3, white king at c3 and white queen at e3. White bishop at b2, white pawn at c2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 20. White to move.