MESON Chess Problem Database

Problem Display
PID: 201667 (8/8/8/2N1p3/4Pp2/1BkN1K2/8/2B5 w - - 0 1)

Kovacs, Florian Janos

Bekes Sakk, 1922

8/8/8/2N1p3/4Pp2/1BkN1K2/8/2B5

#2

6 + 3

6490 yacpdb 2020
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bb2#
  • Tries
    • 1.Ke2?
      • threat
        • 2.Bb2#
      • 1...Kd4
        • 2.Bb2#
      • 1...f3+!
    • 1.Kf2?
      • 1...Kd4
        • 2.Bb2#
      • 1...f3!
    • 1.Bxf4?
      • 1...Kd4
        • 2.Bxe5#
      • 1...exf4!
    • 1.Ba2?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kc2!
    • 1.Bd5?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kc2!
    • 1.Be6?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kc2!
    • 1.Bf7?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kc2!
    • 1.Bg8?
      • 1...Kd4
        • 2.Bb2#
      • 1...Kc2!
  • Keys
    • 1.Ba3!
      • 1...Kd2
        • 2.Bb4#
      • 1...Kd4
        • 2.Bb2#

This anticipates 157241(1925), 242041(1936), 110300(1964)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(A)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • B(A)
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • P(b);CHECK
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • P(b);
    • Try
      • B(A);XP(b)
      • Vars
        • K(a);S_FLIGHT::B(A),XP(c)
      • Refutation
        • P(c);XB(A)
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(a);S_FLIGHT::B(A)
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