MESON Chess Problem Database

Problem Display
PID: 89097 (8/8/4Q3/P7/2Nk4/8/1P6/R3K3 w - - 0 1)

Rice, John Michael

The Problemist, 1991

8/8/4Q3/P7/2Nk4/8/1P6/R3K3

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kd1?
      • 1...Kd3
        • 2.Qd5#
      • 1...Kc5!
    • 1.Sd2?
      • 1...Kd3
        • 2.Qe4#
      • 1...Kc5!
    • 1.Sa3?
      • 1...Kd3
        • 2.Rd1#
      • 1...Kc5!
    • 1.Sd6?
      • 1...Kd3
        • 2.Qe4#
      • 1...Kc5!
    • 1.Rc1?
      • 1...Kd3
        • 2.Qd5#
        • 2.Qe3#
      • 1...Kc5!
  • Keys
    • 1.Se3!
      • 1...Kd3
        • 2.Rd1#
      • 1...Kc5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);P-FLIGHT::R(A)
      • K(a);S_FLIGHT::QAB1(F)
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