MESON Chess Problem Database

Problem Display
PID: 19170 (5B2/8/2pNpk2/2P3p1/3pQ1p1/3K2P1/8/8 w - - 0 1)

Ballo, Gyorgy

Tukor, 1934

5B2/8/2pNpk2/2P3p1/3pQ1p1/3K2P1/8/8

#2

6 + 6

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qf5#
  • Tries
    • 1.Kc2?
      • 1...e5
        • 2.Qf5#
      • 1...d3+!
    • 1.Kd2?
      • 1...e5
        • 2.Qf5#
      • 1...d3!
    • 1.Ke2?
      • 1...e5
        • 2.Qf5#
      • 1...d3+!
    • 1.Kc4?
      • 1...e5
        • 2.Qf5#
      • 1...d3!
    • 1.Qf3+?
      • 1...Ke5
        • 2.Sc4#
        • 2.Sf7#
        • 2.Bg7#
      • 1...Kg6
        • 2.Qf7#
      • 1...gxf3!
    • 1.Qg6+?
      • 1...Ke5
        • 2.Qxg5#
      • 1...Kxg6!
    • 1.Qh7?
      • threat
        • 2.Qg7#
      • 1...e5
        • 2.Qf5#
        • 2.Qh6#
        • 2.Qf7#
      • 1...Ke5!
    • 1.Qf4+?
      • 1...Kg6
        • 2.Qf7#
      • 1...gxf4!
    • 1.Qxg4?
      • 1...Ke5
        • 2.Qxd4#
        • 2.Qxg5#
      • 1...e5
        • 2.Qf5#
      • 1...Kg6!
  • Keys
    • 1.Qh1!
      • 1...Ke5
        • 2.Bg7#
      • 1...Kg6
        • 2.Qh6#
      • 1...e5
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD::QAR1(C)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(e);N_GUARD::QAR1(C)
      • Refutation
        • P(a);CHECK
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(e);N_GUARD::QAR1(C)
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(e);N_GUARD::QAR1(C)
      • Refutation
        • P(a);CHECK
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(e);N_GUARD::QAR1(C)
      • Refutation
        • P(a);
    • Try
      • Q(C);CHECK
      • Vars
        • K(f);OGATE,P-FLIGHT::QAB1(C)
      • Refutation
        • P(b);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(f);S_FLIGHT::QAR2(C),XP(c)
      • Refutation
        • K(f);P-FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(f);OGATE,P-FLIGHT::QAB1(C)
      • Refutation
        • P(c);XQ(C)
    • Try
      • Q(C);XP(b)
      • Vars
        • P(e);N_GUARD::QAR1(C)
      • Refutation
        • K(f);P-FLIGHT,P_SPINP(c)
  • Actual
    • Q(C);
    • Vars
      • K(f);S_FLIGHT::B(F)
      • K(f);P-FLIGHT::QAR1(C)
      • P(e);SBLOCK::QAR2(C)
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