r1q1k2r/p1p1pp1p/nP5b/3p4/2N5/2nQ1PpP/R2PB2P/2B1K1R1 w kq - 4 20
FEN state: r1q1k2r/p1p1pp1p/nP5b/3p4/2N5/2nQ1PpP/R2PB2P/2B1K1R1 w kq - 4 20 ; Best move: d3c3
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6, white pawn at b6 and black bishop at h6. Black pawn at d5. White knight at c4. Black knight at c3, white queen at d3, white pawn at f3, black pawn at g3 and white pawn at h3. White rook at a2, white pawn at d2, white bishop at e2 and white pawn at h2. White bishop at c1, white king at e1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 20. White to move.