4rbnr/2p1pkpp/b3q3/p1Pp1p2/P2K1P2/1P5P/4P1P1/1NBRNB1R w - - 1 20
FEN state: 4rbnr/2p1pkpp/b3q3/p1Pp1p2/P2K1P2/1P5P/4P1P1/1NBRNB1R w - - 1 20 ; Best move: e1f3
The current state of the chess board is: Black rook at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at e7, black king at f7, black pawn at g7 and black pawn at h7. Black bishop at a6 and black queen at e6. Black pawn at a5, white pawn at c5, black pawn at d5 and black pawn at f5. White pawn at a4, white king at d4 and white pawn at f4. White pawn at b3 and white pawn at h3. White pawn at e2 and white pawn at g2. White knight at b1, white bishop at c1, white rook at d1, white knight at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. White to move.