MESON Chess Problem Database

Problem Display
PID: 136697 (8/Q7/R1pk4/8/4K3/8/8/8 w - - 0 1)

Vogel, Peter

Pevomuc, 2002

8/Q7/R1pk4/8/4K3/8/8/8

#2

3 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Rxc6#
  • Tries
    • 1.Ra1?
      • 1...c5
        • 2.Ra6#
      • 1...Ke6!
    • 1.Ra2?
      • 1...c5
        • 2.Ra6#
      • 1...Ke6!
    • 1.Ra3?
      • 1...c5
        • 2.Ra6#
      • 1...Ke6!
    • 1.Ra4?
      • 1...c5
        • 2.Ra6#
      • 1...Ke6!
    • 1.Ra5?
      • 1...c5
        • 2.Ra6#
      • 1...Ke6!
    • 1.Rb6?
      • 1...Ke6
        • 2.Rxc6#
      • 1...Kc5!
    • 1.Qg7?
      • 1...Ke6
        • 2.Rxc6#
      • 1...Kc5!
    • 1.Qh7?
      • 1...Ke6
        • 2.Rxc6#
      • 1...Kc5!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Rxc6#
      • 1...Kc5
        • 2.Rxc6#
      • 1...Ke6
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::R(B),XP(a)
  • Tries
    • Try
      • R(B);N_PINP(a)
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(B);N_PINP(a)
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(B);N_PINP(a)
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(B);N_PINP(a)
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(B);N_PINP(a)
      • Vars
        • P(a);OGATEB::R(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • K(b);P-FLIGHT::R(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);P-FLIGHT::R(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);P-FLIGHT::R(B),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
  • Actual
    • Q(C);
    • Threat
      • R1(B),XP(a)
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT::R1(B),XP(a)
      • K(b);P-FLIGHT::R(B),XP(a)
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