r1bq1k1r/3p3p/n4n2/p1p1pP2/Pp3P2/2R1NK1R/1BPPN1P1/3Q1B2 w - - 2 20
FEN state: r1bq1k1r/3p3p/n4n2/p1p1pP2/Pp3P2/2R1NK1R/1BPPN1P1/3Q1B2 w - - 2 20 ; Best move: c3c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8 and black rook at h8. Black pawn at d7 and black pawn at h7. Black knight at a6 and black knight at f6. Black pawn at a5, black pawn at c5, black pawn at e5 and white pawn at f5. White pawn at a4, black pawn at b4 and white pawn at f4. White rook at c3, white knight at e3, white king at f3 and white rook at h3. White bishop at b2, white pawn at c2, white pawn at d2, white knight at e2 and white pawn at g2. White queen at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.