rn1k4/1b4pr/p1p1p3/1pNpqp1p/1b3P1P/N1P1P1P1/PR1P1KB1/2B2QR1 w - - 3 21
FEN state: rn1k4/1b4pr/p1p1p3/1pNpqp1p/1b3P1P/N1P1P1P1/PR1P1KB1/2B2QR1 w - - 3 21 ; Best move: c3b4
The current state of the chess board is: Black rook at a8, black knight at b8 and black king at d8. Black bishop at b7, black pawn at g7 and black rook at h7. Black pawn at a6, black pawn at c6 and black pawn at e6. Black pawn at b5, white knight at c5, black pawn at d5, black queen at e5, black pawn at f5 and black pawn at h5. Black bishop at b4, white pawn at f4 and white pawn at h4. White knight at a3, white pawn at c3, white pawn at e3 and white pawn at g3. White pawn at a2, white rook at b2, white pawn at d2, white king at f2 and white bishop at g2. White bishop at c1, white queen at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 3. Full move number is 21. White to move.