MESON Chess Problem Database

Problem Display
PID: 218528 (3R3R/2P2p2/2B1pkp1/4N3/7P/7K/1B6/8 w - - 0 1)

Orchard, Isaac Edward

Cincinnati Commercial, 1881

3R3R/2P2p2/2B1pkp1/4N3/7P/7K/1B6/8

#2

8 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4+?
      • 1...Ke7
        • 2.Ba3#
        • 2.Bf6#
        • 2.Rd7#
        • 2.Rhe8#
        • 2.c8S#
      • 1...Kf5!
    • 1.Sd7+?
      • 1...Ke7
        • 2.Ba3#
        • 2.c8S#
      • 1...Kf5!
    • 1.Rd7?
      • threat
        • 2.Rxf7#
      • 1...Kf5
        • 2.Rxf7#
      • 1...Kg7!
    • 1.Rhf8?
      • threat
        • 2.Rxf7#
      • 1...Kf5
        • 2.Rxf7#
      • 1...Ke7
        • 2.Rxf7#
      • 1...Kg7!
  • Keys
    • 1.Rh7!
      • threat
        • 2.Rxf7#
      • 1...Kf5
        • 2.Rxf7#
      • 1...Ke7
        • 2.Sxg6#
        • 2.Rxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(D);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(G);
      • Threat
        • R1(G),XP(d)
      • Vars
        • K(b);P-FLIGHT::R(G),XP(d)
      • Refutation
        • K(b);P_SPINP(d),S_FLIGHT
    • Try
      • R(H);P_PINP(d)
      • Threat
        • R1(H),XP(d)
      • Vars
        • K(b);P-FLIGHT::R(H),XP(d)
        • K(b);N_SPINP(d),S_FLIGHT::R1(H),XP(d)
      • Refutation
        • K(b);N_SPINP(d),S_FLIGHT
  • Actual
    • R(H);
    • Threat
      • R1(H),XP(d)
    • Vars
      • K(b);P-FLIGHT::R(H),XP(d)
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