r1b2b1r/1p1np3/p5kp/2ppP3/2B2n2/NPP4P/P2PKP2/R1B3qR w - - 2 20
FEN state: r1b2b1r/1p1np3/p5kp/2ppP3/2B2n2/NPP4P/P2PKP2/R1B3qR w - - 2 20 ; Best move: e2e3
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at b7, black knight at d7 and black pawn at e7. Black pawn at a6, black king at g6 and black pawn at h6. Black pawn at c5, black pawn at d5 and white pawn at e5. White bishop at c4 and black knight at f4. White knight at a3, white pawn at b3, white pawn at c3 and white pawn at h3. White pawn at a2, white pawn at d2, white king at e2 and white pawn at f2. White rook at a1, white bishop at c1, black queen at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.