MESON Chess Problem Database

Problem Display
PID: 95875 (N7/8/2p1N3/8/1k6/3Q4/1K6/8 w - - 0 1)

Bajtay, Jozsef

Politika Express, 1964

N7/8/2p1N3/8/1k6/3Q4/1K6/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • 1...Ka4
        • 2.Qa3#
      • 1...Ka5
        • 2.Qa3#
      • 1...c5
        • 2.Qb5#
      • 1...Kc5!
    • 1.Sac7?
      • 1...Ka4
        • 2.Qa3#
      • 1...c5
        • 2.Qb5#
      • 1...Ka5!
    • 1.Qa3+?
      • 1...Kc4
        • 2.Qb3#
      • 1...Kb5!
  • Keys
    • 1.Sec7!
      • 1...Ka4
        • 2.Qa3#
      • 1...Ka5
        • 2.Qa3#
      • 1...Kc5
        • 2.Sa6#
      • 1...c5
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR2(B)
        • P(b);N_GUARD::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • P(b);N_GUARD::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAR2(B)
      • K(a);S_FLIGHT::S(C)
      • P(b);N_GUARD::QAR1(B)
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