1rbqk3/3n1pp1/pp4n1/3p2Pr/PPPP3p/1p2pNb1/3NPP1P/R1BK1B1R w - - 2 20
FEN state: 1rbqk3/3n1pp1/pp4n1/3p2Pr/PPPP3p/1p2pNb1/3NPP1P/R1BK1B1R w - - 2 20 ; Best move: f2e3
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8 and black king at e8. Black knight at d7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at b6 and black knight at g6. Black pawn at d5, white pawn at g5 and black rook at h5. White pawn at a4, white pawn at b4, white pawn at c4, white pawn at d4 and black pawn at h4. Black pawn at b3, black pawn at e3, white knight at f3 and black bishop at g3. White knight at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.