MESON Chess Problem Database

Problem Display
PID: 21850 (8/3B4/4R3/6N1/6kp/7N/3P4/7K w - - 0 1)

Cawthra, A

Hull Times, 1921

8/3B4/4R3/6N1/6kp/7N/3P4/7K

#2

6 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kg3
      • 2.Re3#
  • Tries
    • 1.Re1+?
      • 1...Kg3
        • 2.Rg1#
        • 2.Re3#
      • 1...Kh5!
    • 1.Re2+?
      • 1...Kg3
        • 2.Rg2#
        • 2.Re3#
      • 1...Kh5!
    • 1.Re4+?
      • 1...Kg3
        • 2.Re3#
        • 2.Rg4#
      • 1...Kh5!
    • 1.Re5+?
      • 1...Kg3
        • 2.Re3#
      • 1...Kh5!
    • 1.Ra6+?
      • 1...Kg3
        • 2.Ra3#
      • 1...Kh5!
    • 1.Rb6+?
      • 1...Kg3
        • 2.Rb3#
      • 1...Kh5!
    • 1.Rc6+?
      • 1...Kg3
        • 2.Rc3#
      • 1...Kh5!
    • 1.Rd6+?
      • 1...Kg3
        • 2.Rd3#
      • 1...Kh5!
    • 1.Rf6+?
      • 1...Kg3
        • 2.Se4#
        • 2.Rf3#
      • 1...Kh5!
    • 1.Rg6+?
      • 1...Kh5
        • 2.Sf4#
      • 1...Kg3!
    • 1.Re7+?
      • 1...Kg3
        • 2.Re3#
      • 1...Kh5!
    • 1.Re8+?
      • 1...Kg3
        • 2.Re3#
      • 1...Kh5!
    • 1.d4?
      • 1...Kg3
        • 2.Re3#
      • 1...Kf5
        • 2.Ra6#
        • 2.Rb6#
        • 2.Rc6#
        • 2.Rd6#
        • 2.Rh6#
      • 1...Kh5!
  • Keys
    • 1.Sf7!
      • 1...Kf3
        • 2.Re3#
      • 1...Kg3
        • 2.Re3#
      • 1...Kxh3
        • 2.Re3#
        • 2.Rg6#
      • 1...Kf5
        • 2.Sh6#
      • 1...Kh5
        • 2.Rh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(E)
  • Tries
    • Try
      • R(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::R1(E)
      • K(a);P-FLIGHT::R(E)
      • K(a);S_FLIGHT::S(D)
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