r3kr2/pppbb2p/2P3p1/3PppP1/6P1/B1PP4/P3nPR1/RNQ1KBN1 b Qq - 0 20
FEN state: r3kr2/pppbb2p/2P3p1/3PppP1/6P1/B1PP4/P3nPR1/RNQ1KBN1 b Qq - 0 20 ; Best move: e2c1
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at b7, black pawn at c7, black bishop at d7, black bishop at e7 and black pawn at h7. White pawn at c6 and black pawn at g6. White pawn at d5, black pawn at e5, black pawn at f5 and white pawn at g5. White pawn at g4. White bishop at a3, white pawn at c3 and white pawn at d3. White pawn at a2, black knight at e2, white pawn at f2 and white rook at g2. White rook at a1, white knight at b1, white queen at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside and black queenside castles are available. Half move number is 0. Full move number is 20. Black to move.