MESON Chess Problem Database

Problem Display
PID: 229925 (8/8/8/8/8/K7/3RN3/1k6 w - - 0 1)

Latzel, Gerhard Paul

Deutsche Schachzeitung, 1968

8/8/8/8/8/K7/3RN3/1k6

#2

3 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ka1
      • 2.Rd1#
  • Tries
    • 1.Sg1?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc1!
    • 1.Sc3+?
      • 1...Ka1
        • 2.Rd1#
        • 2.Ra2#
      • 1...Kc1!
    • 1.Sg3?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc1!
    • 1.Sd4?
      • threat
        • 2.Rd1#
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc1!
    • 1.Sf4?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc1!
    • 1.Rc2?
      • threat
        • 2.Rc1#
      • 1...Ka1
        • 2.Rc1#
      • 1...Kxc2!
    • 1.Rd3?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc2!
    • 1.Rd4?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc2!
    • 1.Rd5?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc2!
    • 1.Rd6?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc2!
    • 1.Rd7?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc2!
    • 1.Rd8?
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc2!
  • Keys
    • 1.Kb3!
      • 1...Ka1
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(A)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT::R(A)
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