MESON Chess Problem Database

Problem Display
PID: 232217 (8/2ppp3/2pkp3/2prp3/n6K/1N6/B7/3R4 w - - 0 1)

Wainwright, Joseph CJ

Hartford Times, 1881

(First published on Thu Jul 28 1881)

8/2ppp3/2pkp3/2prp3/n6K/1N6/B7/3R4

#2

4 + 10

16968 Joseph Wainwright: 500+ Chess Problems (Meadley) 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Rxd2#
    • 1...Rd3
      • 2.Rxd3#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Sc4#
        • 2.Sb7#
      • 1...Rxd1
        • 2.Sb7#
      • 1...c4
        • 2.Sb7#
      • 1...e4
        • 2.Sc4#
      • 1...Rd2
        • 2.Sb7#
        • 2.Rxd2#
      • 1...Rd3
        • 2.Sb7#
        • 2.Rxd3#
      • 1...Sb2
        • 2.Sb7#
      • 1...Sb6
        • 2.Sb7#
      • 1...Rd4+!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sc4#
        • 2.Se4#
      • 1...Rd4+
        • 2.Se4#
      • 1...Rxd2
        • 2.Rxd2#
      • 1...c4
        • 2.Se4#
      • 1...e4
        • 2.Sc4#
      • 1...Rd3
        • 2.Se4#
      • 1...Sb2
        • 2.Se4#
      • 1...Sc3
        • 2.Sc4#
      • 1...Sb6
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATEB::R(A),XR(c)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);N_SPINR(c),XR(A)::S(C)
        • P(b);::S(C)
        • P(d);::S(C)
        • S(a);::S(C)
      • Refutation
        • R(c);CHECK
  • Actual
    • S(C);N_PINR(c)
    • Threat
      • DUALS(2)
    • Vars
      • R(c);CHECK::S(C)
      • R(c);OGATE,P_SPINR(c),XS(C)::R(A),XR(c)
      • P(b);::S(C)
      • P(d);::S(C)
      • R(c);::S(C)
      • S(a);::S(C)
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