MESON Chess Problem Database

Problem Display
PID: 68766 (6N1/8/8/7B/3Ppk2/3p3Q/3p2P1/3K4 w - - 0 1)

Neukomm, Gyula (Julius) R

Schach, 1952

6N1/8/8/7B/3Ppk2/3p3Q/3p2P1/3K4

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kg5
      • 2.Qg4#
    • 1...e3
      • 2.Qg4#
  • Tries
    • 1.Kxd2?
      • threat
        • 2.Qg4#
      • 1...Kg5
        • 2.Qg4#
      • 1...e3+!
    • 1.Sf6?
      • 1...e3
        • 2.Qg4#
      • 1...Kg5!
    • 1.Sh6?
      • 1...e3
        • 2.Qg4#
        • 2.Qh4#
      • 1...Kg5!
    • 1.Se7?
      • 1...e3
        • 2.Qg4#
        • 2.Qh4#
      • 1...Kg5!
    • 1.Be2?
      • 1...Kg5
        • 2.Qg4#
      • 1...e3
        • 2.Qg4#
      • 1...dxe2+!
    • 1.Qf3+?
      • 1...Kg5
        • 2.Qg4#
      • 1...exf3!
    • 1.Qg3+?
      • 1...Kf5
        • 2.Qe5#
        • 2.Qg4#
      • 1...Kxg3!
    • 1.Qh4+?
      • 1...Kf5
        • 2.Qf6#
        • 2.Qg4#
      • 1...Ke3!
    • 1.g3+?
      • 1...Kg5
        • 2.Qg4#
      • 1...Ke3!
  • Keys
    • 1.Bg6!
      • 1...Kg5
        • 2.Qg3#
      • 1...e3
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::QAR1(C)
    • P(c);SBLOCK::QAR1(C)
  • Tries
    • Try
      • K(A);P-FLIGHT,XP(a)
      • Threat
        • QAR1(C)
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
      • Refutation
        • P(c);CHECK
    • Try
      • S(F);
      • Vars
        • P(c);SBLOCK::QAR1(C)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(F);
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(F);
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
        • P(c);SBLOCK::QAR1(C)
      • Refutation
        • P(b);CHECK,XB(E)
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
      • Refutation
        • P(c);XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(d);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(d);S_FLIGHT::QAR2(C)
      • P(c);SBLOCK::QAR2(C)
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