1r3bnr/pb4pp/2kp4/1pp1p1n1/1PP2pP1/P2QP2B/2P1KP1P/R1B2N1R w - - 0 20
FEN state: 1r3bnr/pb4pp/2kp4/1pp1p1n1/1PP2pP1/P2QP2B/2P1KP1P/R1B2N1R w - - 0 20 ; Best move: e3f4
The current state of the chess board is: Black rook at b8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at g7 and black pawn at h7. Black king at c6 and black pawn at d6. Black pawn at b5, black pawn at c5, black pawn at e5 and black knight at g5. White pawn at b4, white pawn at c4, black pawn at f4 and white pawn at g4. White pawn at a3, white queen at d3, white pawn at e3 and white bishop at h3. White pawn at c2, white king at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.