1n2kb2/rb1p1ppr/1q5p/1p5n/PppPPpP1/1PPB3P/3Q3R/R1BK2N1 w - - 0 20
FEN state: 1n2kb2/rb1p1ppr/1q5p/1p5n/PppPPpP1/1PPB3P/3Q3R/R1BK2N1 w - - 0 20 ; Best move: b3c4
The current state of the chess board is: Black knight at b8, black king at e8 and black bishop at f8. Black rook at a7, black bishop at b7, black pawn at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black queen at b6 and black pawn at h6. Black pawn at b5 and black knight at h5. White pawn at a4, black pawn at b4, black pawn at c4, white pawn at d4, white pawn at e4, black pawn at f4 and white pawn at g4. White pawn at b3, white pawn at c3, white bishop at d3 and white pawn at h3. White queen at d2 and white rook at h2. White rook at a1, white bishop at c1, white king at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.