MESON Chess Problem Database

Problem Display
PID: 241980 (8/8/4K3/7P/5k2/4pB2/4Q3/4B3 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

8/8/4K3/7P/5k2/4pB2/4Q3/4B3

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kg5
      • 2.Qxe3#
  • Tries
    • 1.Bf2?
      • threat
        • 2.Qxe3#
      • 1...Kg5
        • 2.Qxe3#
      • 1...exf2!
    • 1.Bg3+?
      • 1...Kg5
        • 2.Qxe3#
      • 1...Kxg3!
    • 1.Bg4?
      • 1...Ke4
        • 2.Qc4#
      • 1...Kg5!
    • 1.Qf2?
      • threat
        • 2.Qg3#
      • 1...Kg5
        • 2.Qxe3#
      • 1...e2
        • 2.Bd2#
      • 1...exf2!
  • Keys
    • 1.Qg2!
      • 1...e2
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::QAB(B),XP(a)
  • Tries
    • Try
      • B(A);
      • Threat
        • QAB1(B),XP(a)
      • Vars
        • K(b);S_FLIGHT::QAB(B),XP(a)
      • Refutation
        • P(a);XB(A)
    • Try
      • B(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(B),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XB(A)
    • Try
      • B(C);
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAR2(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);S_FLIGHT::QAB(B),XP(a)
        • P(a);OGATEB::B(A)
      • Refutation
        • P(a);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • P(a);OGATEB::B(A)
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