MESON Chess Problem Database

Problem Display
PID: 219466 (5Q2/8/8/8/2P1k3/8/2NRp3/4K3 w - - 0 1)

Lewis, Robert Tony

Schach-Report, 1991

5Q2/8/8/8/2P1k3/8/2NRp3/4K3

#2

5 + 2

6490 yacpdb 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Rxe2#
  • Tries
    • 1.Se3?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kxe3!
    • 1.Sd4?
      • 1...Ke3
        • 2.Qf3#
      • 1...Ke5!
    • 1.Rd3?
      • threat
        • 2.Re3#
      • 1...Ke5
        • 2.Re3#
      • 1...Kxd3!
  • Keys
    • 1.Rd8!
      • 1...Ke5
        • 2.Re8#

Anticipated by 227869(1926)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::R(C),XP(a)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT,XS(B)
    • Try
      • S(B);
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(C);
      • Threat
        • R1(C)
      • Vars
        • K(b);P-FLIGHT::R(C)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • R(C);
    • Vars
      • K(b);P-FLIGHT::R(C)
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