rnb3kr/p2p4/1pp1ppP1/2b2P1p/q3PB2/1PP3P1/P7/RN2KBNR w - - 1 21
FEN state: rnb3kr/p2p4/1pp1ppP1/2b2P1p/q3PB2/1PP3P1/P7/RN2KBNR w - - 1 21 ; Best move: b3a4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at g8 and black rook at h8. Black pawn at a7 and black pawn at d7. Black pawn at b6, black pawn at c6, black pawn at e6, black pawn at f6 and white pawn at g6. Black bishop at c5, white pawn at f5 and black pawn at h5. Black queen at a4, white pawn at e4 and white bishop at f4. White pawn at b3, white pawn at c3 and white pawn at g3. White pawn at a2. White rook at a1, white knight at b1, white king at e1, white bishop at f1, 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.