MESON Chess Problem Database

Problem Display
PID: 223117 (5R2/8/8/3p4/3P2N1/K2kN3/7R/Q7 w - - 0 1)

Tinney, William E

Philadelphia Times, 1885

5R2/8/8/3p4/3P2N1/K2kN3/7R/Q7

#2

7 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • 1...Ke4
        • 2.Sdf2#
        • 2.Sgf2#
      • 1...Kc4!
    • 1.Sf1?
      • 1...Ke4
        • 2.Sf2#
      • 1...Kc4!
    • 1.Sc2?
      • 1...Ke4
        • 2.Sf2#
      • 1...Kc4!
    • 1.Sg2?
      • 1...Kc2
        • 2.Se1#
        • 2.Sf4#
      • 1...Kd2
        • 2.Se1#
        • 2.Sf4#
      • 1...Ke2
        • 2.Se1#
      • 1...Ke4
        • 2.Sf2#
      • 1...Kc4!
    • 1.Rd2+?
      • 1...Ke4
        • 2.Qb1#
        • 2.Qh1#
      • 1...Kxd2!
    • 1.Rh3?
      • 1...Ke2
        • 2.Qd1#
      • 1...Ke4
        • 2.Sf2#
      • 1...Kd2!
    • 1.Qc3+?
      • 1...Ke4
        • 2.Sf2#
      • 1...Kxc3!
    • 1.Qd1+?
      • 1...Kc3
        • 2.Rc2#
        • 2.Rc8#
        • 2.Qd2#
      • 1...Ke4!
  • Keys
    • 1.Re2!
      • 1...Kxe2
        • 2.Qd1#
      • 1...Ke4
        • 2.Sf2#

FEATURES

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