MESON Chess Problem Database

Problem Display
PID: 149055 (6QB/7B/2K5/8/4P3/2pk4/2R5/Nn6 w - - 0 1)

Pape, Edouard

Good Companions (May Meredith Ty.), 1918

6QB/7B/2K5/8/4P3/2pk4/2R5/Nn6

#2

7 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qg3#
  • Tries
    • 1.Kc5?
      • threat
        • 2.Qg3#
      • 1...Ke3
        • 2.Qg3#
      • 1...Sd2!
    • 1.Kd5?
      • threat
        • 2.Qg3#
      • 1...Ke3
        • 2.Qg3#
      • 1...Sd2!
    • 1.Qg1?
      • threat
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Sd2!
    • 1.Qg2?
      • threat
        • 2.Qe2#
      • 1...Ke3
        • 2.Qg3#
      • 1...Sd2
        • 2.Rxc3#
      • 1...Kc4!
    • 1.Qg7?
      • threat
        • 2.Qd4#
      • 1...Ke3
        • 2.Qg3#
      • 1...Kc4
        • 2.Qd4#
      • 1...Sd2!
    • 1.Qd8+?
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke3!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe2#
      • 1...Ke3
        • 2.Qg3#
      • 1...Kc4
        • 2.e5#
      • 1...Sd2
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR2(F)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAR(F)
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
      • Refutation
        • S(a);
    • Try
      • K(D);S_FLIGHT
      • Threat
        • QAR(F)
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
      • Refutation
        • S(a);
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR1(F)
      • Refutation
        • S(a);
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • S(a);N_GUARD::R1(B),XP(b)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(c);P-FLIGHT::QAR2(F)
        • K(c);P_SPINP(b),S_FLIGHT::QAR1(F)
      • Refutation
        • S(a);
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::QAR1(F)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • K(c);P-FLIGHT::QAR2(F)
      • K(c);P_SPINP(b),S_FLIGHT::QAR(F)+P(C)
      • S(a);N_GUARD,SBLOCK::R1(B),XP(b)
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