MESON Chess Problem Database

Problem Display
PID: 41554 (1R1nK3/3Q4/r1p5/qb6/2k1P3/1p1N4/1P6/1N6 w - - 0 1)

Gockel, Hubert

The Problemist Supplement, 2000

1R1nK3/3Q4/r1p5/qb6/2k1P3/1p1N4/1P6/1N6

#2

7 + 7

23 Die Schwalbe 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.Sxd2#
    • 1...Qb6
      • 2.Sd2#
    • 1...Qc7
      • 2.Sd2#
    • 1...Qa1
      • 2.Sd2#
    • 1...Qa2
      • 2.Sd2#
    • 1...Qa3
      • 2.Sd2#
    • 1...Qa4
      • 2.Sd2#
    • 1...Ba4
      • 2.Sa3#
  • Tries
    • 1.Se5+?
      • 1...Kb4
        • 2.Qd4#
      • 1...Kc5!
  • Keys
    • 1.Rc8!
      • threat
        • 2.Qd5#
      • 1...Ba4
        • 2.Sa3#
      • 1...Qc7
        • 2.Sd2#
      • 1...c5
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(c);N_GUARD::S(A),XQ(c)
    • Q(c);N_GUARD::S(A)
    • B(d);S_CUTQ(c)::S(A)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINB(d)::QAR2(E)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(F);P_PINP(f)
    • Threat
      • QAB1(E)
    • Vars
      • B(d);S_CUTQ(c)::S(A)
      • Q(c);N_GUARD,N_SPINP(f)::S(A)
      • P(f);OGATE,P_PINQ(E)::R1(F),XP(f)
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