MESON Chess Problem Database

Problem Display
PID: 231450 (8/8/3N4/4p3/4K2k/4B2B/8/7R w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

8/8/3N4/4p3/4K2k/4B2B/8/7R

#2

5 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kg3
      • 2.Sf5#
    • 1...Kh5
      • 2.Bf5#
  • Tries
    • 1.Kf3?
      • threat
        • 2.Bf1#
        • 2.Bg2#
        • 2.Bg4#
        • 2.Bf5#
        • 2.Be6#
        • 2.Bd7#
        • 2.Bc8#
      • 1...Kh5
        • 2.Bf5#
      • 1...e4+!
    • 1.Kxe5?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Sc4?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Sb5?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Sb7?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Sf7?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Sc8?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Se8?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Bc1?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Bf4?
      • threat
        • 2.Bf5#
        • 2.Be6#
        • 2.Bd7#
        • 2.Bc8#
      • 1...Kh5
        • 2.Bf5#
      • 1...exf4!
    • 1.Bh6?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
    • 1.Rh2?
      • 1...Kh5
        • 2.Bf5#
      • 1...Kg3!
  • Keys
    • 1.Bd2!
      • 1...Kg3
        • 2.Be1#
      • 1...Kh5
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(E)
    • K(a);P-FLIGHT::R(A)+B(C)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • DUALS(7)
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • P(b);CHECK
    • Try
      • K(D);P-FLIGHT,XP(b)
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • DUALS(4)
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • P(b);XB(B)
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);P-FLIGHT::R(A)+B(C)
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