rnb3r1/1p1pqkp1/p1p1pp2/1PP4p/P1Q2b2/4PPP1/2N1PK1P/R1B2BNR w - - 1 20
FEN state: rnb3r1/1p1pqkp1/p1p1pp2/1PP4p/P1Q2b2/4PPP1/2N1PK1P/R1B2BNR w - - 1 20 ; Best move: e3f4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at g8. Black pawn at b7, black pawn at d7, black queen at e7, black king at f7 and black pawn at g7. Black pawn at a6, black pawn at c6, black pawn at e6 and black pawn at f6. White pawn at b5, white pawn at c5 and black pawn at h5. White pawn at a4, white queen at c4 and black bishop at f4. White pawn at e3, white pawn at f3 and white pawn at g3. White knight at c2, white pawn at e2, white king at f2 and white pawn at h2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. White to move.