MESON Chess Problem Database

Problem Display
PID: 241955 (6QB/6P1/4p2k/4N3/5K2/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

6QB/6P1/4p2k/4N3/5K2/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kh5
      • 2.Qh7#
  • Tries
    • 1.Sg4+?
      • 1...Kh5
        • 2.Qh7#
      • 1...Kg6!
    • 1.Sf7+?
      • 1...Kh5
        • 2.Qh7#
      • 1...Kg6!
    • 1.Qa8?
      • threat
        • 2.Qh1#
      • 1...Kh5
        • 2.Qh1#
      • 1...Kh7!
    • 1.Qd8?
      • threat
        • 2.Qh4#
      • 1...Kh5
        • 2.Qg5#
      • 1...Kh7!
    • 1.Qf8?
      • 1...Kh7
        • 2.g8Q#
      • 1...Kh5!
  • Keys
    • 1.Qxe6+!
      • 1...Kh5
        • 2.Qh3#
      • 1...Kh7
        • 2.g8Q#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(D)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAR(D)
      • Vars
        • K(b);P-FLIGHT::QAR(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAR2(D)
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);P-FLIGHT::P=Q
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(D);CHECK,XP(a)
    • Vars
      • K(b);P-FLIGHT::QAR2(D)
      • K(b);P-FLIGHT::P=Q
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