MESON Chess Problem Database

Problem Display
PID: 262828 (2B5/4n3/5Rp1/3pk1B1/3p1pp1/3p4/3P4/5KNQ w - - 0 1)

Muller, Dieter

Szachy, 1976

2B5/4n3/5Rp1/3pk1B1/3p1pp1/3p4/3P4/5KNQ

#2

7 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Re6#
  • Tries
    • 1.Sf3+?
      • 1...Ke4
        • 2.Rxf4#
      • 1...gxf3!
    • 1.Qh2?
      • threat
        • 2.Qxf4#
      • 1...Ke4
        • 2.Qxf4#
      • 1...g3!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qe1#
      • 1...Ke4
        • 2.Qe1#
      • 1...Sf5
        • 2.Re6#
      • 1...g3
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(h);SBLOCK::R1(F)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(f);N_GUARD,P-FLIGHT,S_CUTP(d)::R1(F),XP(c)
      • Refutation
        • P(d);XS(B)
    • Try
      • Q(C);P_PINP(c)
      • Threat
        • QAB1(C),XP(c)
      • Vars
        • K(f);N_SPINP(c),P-FLIGHT::QAR1(C),XP(c)
      • Refutation
        • P(d);N_SPINP(c)
  • Actual
    • Q(C);
    • Threat
      • QAR(C)
    • Vars
      • K(f);P-FLIGHT::QAR(C)
      • S(h);SBLOCK::R1(F)
      • P(d);OGATE::QAB1(C),XP(c)
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