MESON Chess Problem Database

Problem Display
PID: 168928 (2Q3B1/8/pRpp4/1bNP4/p1kp2P1/R1PN4/1p6/bK6 w - - 0 1)

Labai, Zoltan

3rd Comm., SuperProblem, 2014

2Q3B1/8/pRpp4/1bNP4/p1kp2P1/R1PN4/1p6/bK6

#2

10 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...dxc5
      • 2.Se5#
  • Tries
    • 1.Qf5?
      • 1...dxc3
        • 2.Qe4#
        • 2.Qf4#
      • 1...cxd5
        • 2.Bxd5#
        • 2.Qxd5#
      • 1...dxc5
        • 2.Se5#
        • 2.dxc6#
        • 2.d6#
      • 1...a5!
    • 1.Qe6?
      • 1...dxc3
        • 2.Qe4#
      • 1...cxd5
        • 2.Qxd5#
      • 1...dxc5
        • 2.Se5#
      • 1...a5!
    • 1.Qxc6?
      • 1...Bxc6
        • 2.Rb4#
      • 1...dxc5
        • 2.Se5#
      • 1...a5
        • 2.Qxb5#
      • 1...dxc3!
  • Keys
    • 1.Qxa6!
      • 1...Bxa6
        • 2.Rb4#
      • 1...dxc3
        • 2.Rxa4#
      • 1...cxd5
        • 2.Qxb5#
      • 1...dxc5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(i);N_GUARD,SBLOCK,XS(F)::S(D)
  • Tries
    • Try
      • Q(I);
      • Refutation
        • P(g);
    • Try
      • Q(I);
      • Vars
        • P(e);OGATEB,XP(C)::QAR2(I)
        • P(h);OGATE,P_SPINP(h),XP(G)::QAB1(I),XP(h)
        • P(i);N_GUARD,SBLOCK,XS(F)::S(D)
      • Refutation
        • P(g);
    • Try
      • Q(I);XP(h)
      • Vars
        • B(f);OGATE,XQ(I)::R1(H)
        • P(i);N_GUARD,P_SPINP(i),XS(F)::S(D)
        • P(g);N_GUARD::QAB1(I),XB(f)
      • Refutation
        • P(e);XP(C)
  • Actual
    • Q(I);P_PINB(f),XP(g)
    • Vars
      • B(f);N_SPINB(f),OGATE,XQ(I)::R1(H)
      • P(e);SBLOCK,XP(C)::R(B),XP(c)
      • P(h);N_GUARD,P_SPINP(h),XP(G)::QAB1(I),XB(f)
      • P(i);N_GUARD,SBLOCK,XS(F)::S(D)
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