1rb1k1r1/1p1p2p1/p1p5/b2np1p1/4P2P/Pq4P1/2PPBP2/RNB1K2R w - - 0 20
FEN state: 1rb1k1r1/1p1p2p1/p1p5/b2np1p1/4P2P/Pq4P1/2PPBP2/RNB1K2R w - - 0 20 ; Best move: c2b3
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at b7, black pawn at d7 and black pawn at g7. Black pawn at a6 and black pawn at c6. Black bishop at a5, black knight at d5, black pawn at e5 and black pawn at g5. White pawn at e4 and white pawn at h4. White pawn at a3, black queen at b3 and white pawn at g3. White pawn at c2, white pawn at d2, white bishop at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.