r3kb1r/1pq1N2p/5pp1/p2p4/P2P1B2/1P1P3b/4PPP1/Q1R1KB1R w kq - 1 21
FEN state: r3kb1r/1pq1N2p/5pp1/p2p4/P2P1B2/1P1P3b/4PPP1/Q1R1KB1R w kq - 1 21 ; Best move: c1c7
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black queen at c7, white knight at e7 and black pawn at h7. Black pawn at f6 and black pawn at g6. Black pawn at a5 and black pawn at d5. White pawn at a4, white pawn at d4 and white bishop at f4. White pawn at b3, white pawn at d3 and black bishop at h3. White pawn at e2, white pawn at f2 and white pawn at g2. White queen at a1, white rook at c1, white king at e1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 21. White to move.