MESON Chess Problem Database

Problem Display
PID: 38875 (8/1p5Q/8/8/N1Nk4/8/8/1R5K w - - 0 1)

Shankar Ram, Narayanan

1st Comm., The Problemist, 1981

8/1p5Q/8/8/N1Nk4/8/8/1R5K

#2

5 + 2

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Qe4#
  • Tries
    • 1.Re1?
      • threat
        • 2.Qe4#
      • 1...Kd5
        • 2.Qe4#
      • 1...Kxc4!
    • 1.Rb3?
      • threat
        • 2.Qd3#
      • 1...Kxc4
        • 2.Qd3#
      • 1...Kd5!
    • 1.Rxb7?
      • 1...Kxc4
        • 2.Qe4#
      • 1...Kd5!
    • 1.Qxb7?
      • 1...Kxc4
        • 2.Qe4#
      • 1...Kd3!
  • Keys
    • 1.Rb6!
      • 1...Kxc4
        • 2.Qe4#
      • 1...Kd5
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XS(D)::QAR2(E)
  • Tries
    • Try
      • R(A);
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
    • Try
      • R(A);
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT,XS(D)::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);XP(b)
      • Vars
        • K(a);P-FLIGHT,XS(D)::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);XP(b)
      • Vars
        • K(a);P-FLIGHT,XS(D)::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(a);P-FLIGHT,XS(D)::QAR2(E)
      • K(a);P-FLIGHT::QAR2(E)
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