MESON Chess Problem Database

Problem Display
PID: 79213 (8/5p2/5Pk1/6B1/7K/3R4/8/3B4 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Sahs, 1975

8/5p2/5Pk1/6B1/7K/3R4/8/3B4

#2

5 + 2

5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Re3?
      • threat
        • 2.Bc2#
      • 1...Kf5
        • 2.Bc2#
      • 1...Kh7!
    • 1.Rd8?
      • threat
        • 2.Bc2#
      • 1...Kh7
        • 2.Bc2#
      • 1...Kf5!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Rd1#
        • 2.Rd2#
        • 2.Ra3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Re3#
        • 2.Rf3#
        • 2.Rg3#
        • 2.Rh3#
        • 2.Rd4#
        • 2.Rd5#
        • 2.Rd6#
        • 2.Rd7#
        • 2.Rd8#
      • 1...Kf5
        • 2.Re3#
      • 1...Kh7
        • 2.Rd8#

This anticipates 108713(1978)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • B(A)
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • B(A)
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • DUALS(14)
    • Vars
      • K(a);S_FLIGHT::B(A)+R(B)
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