MESON Chess Problem Database

Problem Display
PID: 242041 (8/8/3R4/8/5kBB/3P3K/3P4/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/8/3R4/8/5kBB/3P3K/3P4/8

#2

6 + 1

15148 Sadier Collection 2021
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Bg3#
  • Tries
    • 1.Kg2?
      • 1...Ke5
        • 2.Bg3#
      • 1...Kxg4!
    • 1.Kh2?
      • 1...Ke5
        • 2.Bg3#
      • 1...Kxg4!
    • 1.Bd7?
      • 1...Ke5
        • 2.Bg3#
      • 1...Kf3!
    • 1.Bc8?
      • 1...Ke5
        • 2.Bg3#
      • 1...Kf3!
    • 1.Be1?
      • 1...Ke5
        • 2.Bg3#
      • 1...Kg5!
  • Keys
    • 1.Bf2!
      • 1...Ke5
        • 2.Bg3#
      • 1...Kg5
        • 2.Be3#

Anticipated by 201667(1922), 157241(1925)

This anticipates 110300(1964)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(E)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT,XB(D)
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT,XB(D)
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(a);S_FLIGHT::B(E)
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