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[fen]
4q3/1kp5/pp2b3/4p1B1/4P3/P4P2/KPPQ3R/6r1 w - - 0 1
[/fen]
6
[fen]
6r1/1p1k2R1/2p4p/2Pp4/1P2b3/P7/1B3P2/5K2 b - - 0 1
[/fen]
7
[fen]
1kbbq1r1/p7/1p4p1/2p1Bp2/8/P1Q1PBP1/1PP2PK1/3R4 b - - 0 1
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