MESON Chess Problem Database

Problem Display
PID: 120882 (8/8/8/2N3p1/1p4P1/1P2k1P1/1Q3p2/3BbK2 w - - 0 1)

Neukomm, Gyula (Julius) R

Comm., Uj Nemezdek, 1923-1924

8/8/8/2N3p1/1p4P1/1P2k1P1/1Q3p2/3BbK2

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Qe5#
    • 1...Bc3
      • 2.Qxf2#
  • Tries
    • 1.Be2?
      • 1...Bd2
        • 2.Qe5#
      • 1...Bc3!
    • 1.Qf6?
      • 1...Bd2
        • 2.Qe5#
        • 2.Qxf2#
      • 1...Bc3
        • 2.Qxf2#
      • 1...Kd2!
  • Keys
    • 1.Se6!
      • threat
        • 2.Qd4#
        • 2.Qe2#
      • 1...Kd3
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
      • 1...Bd2
        • 2.Qd4#
      • 1...Bc3
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAR2(C)
    • B(a);N_GUARD::QAB1(C),XP(b)
  • Tries
    • Try
      • B(A);
      • Vars
        • B(a);SBLOCK::QAR2(C)
      • Refutation
        • B(a);
    • Try
      • Q(C);
      • Vars
        • B(a);N_GUARD::QAB1(C),XP(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(G);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);P-FLIGHT::QAR1(C)
      • B(a);::QAB1(C)
      • B(a);::QAR1(C)
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