r1N1kbnr/1p1q2pp/p1n1pp2/2p5/1P4PN/5P2/P1PPP3/R1BQKB1R w KQ - 3 20
FEN state: r1N1kbnr/1p1q2pp/p1n1pp2/2p5/1P4PN/5P2/P1PPP3/R1BQKB1R w KQ - 3 20 ; Best move: c8b6
The current state of the chess board is: Black rook at a8, white knight at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black queen at d7, black pawn at g7 and black pawn at h7. Black pawn at a6, black knight at c6, black pawn at e6 and black pawn at f6. Black pawn at c5. White pawn at b4, white pawn at g4 and white knight at h4. White pawn at f3. White pawn at a2, white pawn at c2, white pawn at d2 and white pawn at e2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 3. Full move number is 20. White to move.