MESON Chess Problem Database

Problem Display
PID: 145873 (1KR5/1p2r3/1p1NpB2/1rn5/P2n3p/Qpk3bR/P2pP3/3B4 w - - 0 1)

Heeres, JG

3rd HM., Western Morning News, 1938

(First published on Sat Jun 11 1938)

1KR5/1p2r3/1p1NpB2/1rn5/P2n3p/Qpk3bR/P2pP3/3B4

#2

10 + 12

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Qxb3#
  • Tries
    • 1.Rxc5+?
      • 1...Rxc5
        • 2.Qxb3#
      • 1...bxc5!
  • Keys
    • 1.axb3!
      • threat
        • 2.b4#
      • 1...Rxb3
        • 2.Qxb3#
      • 1...Rb4
        • 2.Qa1#
      • 1...Rc7
        • 2.Sxb5#
      • 1...e5
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(g);N_GUARD::QAR1(D),XP(b)
  • Tries
    • Try
      • R(J);CHECK,XS(h)
      • Vars
        • R(g);XR(J)::QAR1(D),XP(b)
      • Refutation
        • P(i);XR(J)
  • Actual
    • P(B);XP(b)
    • Threat
      • QAR(D)+P(B)
    • Vars
      • R(g);OGATE,P_SPINR(g),XP(B)::QAR1(D),XR(g)
      • R(g);SBLOCK::QAB(D)
      • R(l);N_PINS(G)::S(G),XR(g)
      • P(j);N_PINS(G),N_SPINS(e),P_SPINS(h)::S(G)
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