MESON Chess Problem Database

Problem Display
PID: 193625 (8/1Nbb1p2/6N1/3k4/p1Rpp3/P2P4/8/KQ6 w - - 0 1)

Waldner, Karl

Das Interessante Blatt, 1915

8/1Nbb1p2/6N1/3k4/p1Rpp3/P2P4/8/KQ6

#2

7 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Rc5#
      • 2.Qb5#
  • Tries
    • 1.Qb6?
      • threat
        • 2.Rxd4#
        • 2.Rc5#
      • 1...exd3
        • 2.Rxd4#
      • 1...fxg6
        • 2.Rc5#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Be5
        • 2.Se7#
        • 2.Rc5#
      • 1...Bxb6!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Qb5#
      • 1...Kxc6
        • 2.Se7#
      • 1...Bxc6
        • 2.Qa2#
      • 1...exd3
        • 2.Qh1#
      • 1...Bd6
        • 2.Rxd6#
      • 1...Bb6
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XP(D)::R1(E),XP(b)
        • P(g);XS(F)::R1(E)
        • B(e);N_GUARD::QAR1(B),XB(e)
        • B(f);N_GUARD::QAB1(B),XB(f)
      • Refutation
        • B(e);XQ(B)
  • Actual
    • R(E);
    • Threat
      • QAR2(B)
    • Vars
      • K(d);S_FLIGHT,XR(E)::S(F)
      • B(f);SBLOCK,XR(E)::QAB(B)
      • P(c);OGATEB,XP(D)::QAB(B)
      • B(e);N_GUARD::R1(E),XB(e)
      • B(e);N_GUARD::R1(E)
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