MESON Chess Problem Database

Problem Display
PID: 215983 (4B3/5PBk/3p3P/2pP3R/2K5/2P5/8/8 w - - 0 1)

Sommer, Bruno Oswald

Funkschach, 1926

4B3/5PBk/3p3P/2pP3R/2K5/2P5/8/8

#2

8 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6
      • 2.f8S#
  • Tries
    • 1.Kb3?
      • 1...Kg6
        • 2.f8S#
      • 1...c4+!
    • 1.Kd3?
      • 1...Kg6
        • 2.f8S#
      • 1...c4+!
    • 1.Kb5?
      • 1...Kg6
        • 2.f8S#
      • 1...c4!
    • 1.Bd4?
      • 1...Kg6
        • 2.f8S#
      • 1...cxd4!
    • 1.Be5?
      • 1...Kg6
        • 2.f8S#
      • 1...dxe5!
    • 1.Bh8?
      • 1...Kg6
        • 2.f8S#
      • 1...Kxh8!
    • 1.Re5?
      • 1...Kg6
        • 2.f8S#
      • 1...dxe5!
  • Keys
    • 1.f8B!
      • 1...Kg8
        • 2.h7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);S_FLIGHT::P=S
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • P(a);CHECK
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • P(a);CHECK
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • P(a);
    • Try
      • B(G);
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • P(a);XB(G)
    • Try
      • B(G);
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • P(b);XB(G)
    • Try
      • B(G);
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • K(c);P-FLIGHT,XB(G)
    • Try
      • R(D);
      • Vars
        • K(c);S_FLIGHT::P=S
      • Refutation
        • P(b);XR(D)
  • Actual
    • P(F);
    • Vars
      • K(c);OGATE,S_FLIGHT::P(E)
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