rnb1qb1r/5k2/4Np1n/ppQpP2p/6pP/1P1P1PP1/PBP1B3/R2K2NR w - - 0 20
FEN state: rnb1qb1r/5k2/4Np1n/ppQpP2p/6pP/1P1P1PP1/PBP1B3/R2K2NR w - - 0 20 ; Best move: e6f8
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at h8. Black king at f7. White knight at e6, black pawn at f6 and black knight at h6. Black pawn at a5, black pawn at b5, white queen at c5, black pawn at d5, white pawn at e5 and black pawn at h5. Black pawn at g4 and white pawn at h4. White pawn at b3, white pawn at d3, white pawn at f3 and white pawn at g3. White pawn at a2, white bishop at b2, white pawn at c2 and white bishop at e2. White rook at a1, white king at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.