MESON Chess Problem Database

Problem Display
PID: 245543 (8/8/8/7p/4B3/2BR3N/1K2k3/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2011

8/8/8/7p/4B3/2BR3N/1K2k3/8

#2

5 + 2

15148 Sadier Collection 2021
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Bf3+?
      • 1...Kf1
        • 2.Rd1#
      • 1...Kxd3!
    • 1.Re3+?
      • 1...Kd1
        • 2.Sf2#
        • 2.Bc2#
        • 2.Bf3#
        • 2.Re1#
      • 1...Kf1
        • 2.Re1#
      • 1...Kxe3!
    • 1.Rg3?
      • 1...Kd1
        • 2.Bf3#
      • 1...Kf1
        • 2.Bd3#
      • 1...h4!
  • Keys
    • 1.Rd1!
      • threat
        • 2.Re1#
      • 1...Kxd1
        • 2.Bf3#
      • 1...Ke3
        • 2.Re1#

Anticipated by 224601(1888)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(a);S_FLIGHT::R(C)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
    • Try
      • R(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::R1(C)
      • Refutation
        • K(a);P-FLIGHT,XR(C)
    • Try
      • R(C);
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • P(b);
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • K(a);S_FLIGHT,XR(C)::B(E)
      • K(a);P-FLIGHT::R(C)
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