1r1qk3/1b2n1br/n2pp1pp/ppp5/P1P1PpPP/1RNB4/1P1PNPR1/2BQ1K2 w - - 0 20
FEN state: 1r1qk3/1b2n1br/n2pp1pp/ppp5/P1P1PpPP/1RNB4/1P1PNPR1/2BQ1K2 w - - 0 20 ; Best move: e2f4
The current state of the chess board is: Black rook at b8, black queen at d8 and black king at e8. Black bishop at b7, black knight at e7, black bishop at g7 and black rook at h7. Black knight at a6, black pawn at d6, black pawn at e6, black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at b5 and black pawn at c5. White pawn at a4, white pawn at c4, white pawn at e4, black pawn at f4, white pawn at g4 and white pawn at h4. White rook at b3, white knight at c3 and white bishop at d3. White pawn at b2, white pawn at d2, white knight at e2, white pawn at f2 and white rook at g2. White bishop at c1, white queen at d1 and white king at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.