MESON Chess Problem Database

Problem Display
PID: 89758 (4b2B/1B4N1/7K/Q3RPPp/3nNk2/5P1R/1p1P3P/6r1 w - - 0 1)

Buchner, Rudolf

Die Schwalbe, 1941

4b2B/1B4N1/7K/Q3RPPp/3nNk2/5P1R/1p1P3P/6r1

#2

13 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Sxh5#
    • 1...Bb5
      • 2.Sxh5#
    • 1...Bc6
      • 2.Sxh5#
    • 1...Bd7
      • 2.Sxh5#
    • 1...Sc2
      • 2.Se6#
    • 1...Se2
      • 2.Se6#
    • 1...Sb3
      • 2.Se6#
    • 1...Sb5
      • 2.Se6#
    • 1...Sxf5+
      • 2.Rxf5#
    • 1...Sc6
      • 2.Se6#
    • 1...Se6
      • 2.Sxe6#
  • Keys
    • 1.Sg3!
      • threat
        • 2.Rh4#
      • 1...Sxf5+
        • 2.Rxf5#
      • 1...Rxg3
        • 2.hxg3#
      • 1...Sxf3
        • 2.Re4#
      • 1...Bb5
        • 2.S7xh5#
      • 1...Bc6
        • 2.S3xh5#
      • 1...Sb5
        • 2.Se6#
      • 1...Sc6
        • 2.Se2#
      • 1...h4
        • 2.Rxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(f);N_GUARD::S(L),XP(e)
    • S(c);N_GUARD::S(L)
    • S(c);CHECK,OGATE,XP(H)::R1(G),XS(c)
    • S(c);N_GUARD::S(L),XS(c)
  • Actual
    • S(E);
    • Threat
      • R(D)
    • Vars
      • S(c);CHECK,OGATE,XP(H)::R1(G),XS(c)
      • R(a);OGATE,XS(E)::P(B),XR(a)
      • S(c);SBLOCK,XP(C)::R1(G)
      • B(f);N_GUARD::S(L),XP(e)
      • B(f);N_GUARD::S(E),XP(e)
      • S(c);N_GUARD::S(L)
      • S(c);N_GUARD::S(E)
      • P(e);::R(D),XP(e)
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