rnbk1br1/1q1ppp1p/pp4pn/2p5/PPP5/1K1PPPPP/6B1/R1B1Q1NR w - - 1 21
FEN state: rnbk1br1/1q1ppp1p/pp4pn/2p5/PPP5/1K1PPPPP/6B1/R1B1Q1NR w - - 1 21 ; Best move: c1b2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8 and black rook at g8. Black queen at b7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at g6 and black knight at h6. Black pawn at c5. White pawn at a4, white pawn at b4 and white pawn at c4. White king at b3, white pawn at d3, white pawn at e3, white pawn at f3, white pawn at g3 and white pawn at h3. White bishop at g2. White rook at a1, white bishop at c1, white queen at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.