MESON Chess Problem Database

Problem Display
PID: 46495 (7Q/7b/5p1p/8/5NN1/4KP2/7R/6k1 w - - 0 1)

Loyd, Sam

Source?, 0000

7Q/7b/5p1p/8/5NN1/4KP2/7R/6k1

#2

6 + 4

5206 Sam Loyd and His Chess Problems 1913

SOLUTION

  • SOUND
  • Sets
    • 1...Kf1
      • 2.Rh1#
    • 1...f5
      • 2.Qa1#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Rh1#
      • 1...Kf1
        • 2.Rh1#
      • 1...Kxh2!
    • 1.Rg2+?
      • 1...Kh1
        • 2.Sf2#
      • 1...Kf1!
    • 1.Qxh7?
      • threat
        • 2.Qb1#
      • 1...Kf1
        • 2.Rh1#
        • 2.Qb1#
      • 1...f5!
  • Keys
    • 1.Rxh6!
      • 1...Kf1
        • 2.Rh1#
      • 1...Bb1
        • 2.Rh1#
      • 1...Bc2
        • 2.Rh1#
      • 1...Bd3
        • 2.Rh1#
      • 1...Be4
        • 2.Rh1#
      • 1...Bf5
        • 2.Rh1#
      • 1...Bg6
        • 2.Rh1#
      • 1...Bg8
        • 2.Rh1#
      • 1...f5
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(A)
    • P(b);OGATE::QAR(F)
  • Tries
    • Try
      • S(E);
      • Threat
        • R1(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • R(A);CHECK
      • Vars
        • K(a);P-FLIGHT::S(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);XB(d)
      • Threat
        • QAR(F)
      • Refutation
        • P(b);
  • Actual
    • R(A);XP(c)
    • Vars
      • K(a);P-FLIGHT::R(A)
      • B(d);::R1(A)
      • P(b);OGATE::QAR(F)
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