MESON Chess Problem Database

Problem Display
PID: 231555 (8/8/Qp6/8/1k6/3P4/1K4p1/6B1 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

8/8/Qp6/8/1k6/3P4/1K4p1/6B1

#2

4 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...b5
      • 2.Qa3#
  • Tries
    • 1.Ka2?
      • 1...b5
        • 2.Qa3#
      • 1...Kc3!
    • 1.Qa1?
      • 1...b5
        • 2.Qa3#
      • 1...Kb5!
    • 1.Qa2?
      • 1...b5
        • 2.Qa3#
      • 1...Kb5!
    • 1.Qa7?
      • 1...b5
        • 2.Bc5#
        • 2.Qa3#
      • 1...Kb5!
    • 1.Qa8?
      • 1...b5
        • 2.Qa3#
      • 1...Kb5!
  • Keys
    • 1.Bxb6!
      • threat
        • 2.Qc4#
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(c);SBLOCK::QAB1(D)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(c);SBLOCK::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(c);SBLOCK::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(c);SBLOCK::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(c);SBLOCK::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(A);XP(c)
    • Threat
      • DUALS(2)
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