MESON Chess Problem Database

Problem Display
PID: 78218 (RN6/2P4p/Np1P4/bk5r/p1pP3p/rq3Q1K/3n4/1R6 w - - 0 1)

ten Cate, Pieter

The Tablet, 1958

(First published on Sat May 3 1958)

RN6/2P4p/Np1P4/bk5r/p1pP3p/rq3Q1K/3n4/1R6

#2

9 + 11

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3
      • 2.Qxh5#
    • 1...c3
      • 2.Qc6#
  • Tries
    • 1.Rxb3+?
      • 1...Bb4
        • 2.Qxh5#
      • 1...Sxb3
        • 2.Qc6#
      • 1...axb3
        • 2.Qc6#
      • 1...cxb3
        • 2.Qc6#
      • 1...Rxb3!
    • 1.c8Q?
      • threat
        • 2.Qd7#
        • 2.Qc6#
        • 2.Qe8#
      • 1...Bc3
        • 2.Qxh5#
      • 1...Bb4
        • 2.Sc7#
      • 1...Re5
        • 2.Qd7#
        • 2.Qc6#
      • 1...c3
        • 2.Qxh5#
        • 2.Qfc6#
        • 2.Qcc6#
      • 1...Rc5!
    • 1.c8B?
      • threat
        • 2.Bd7#
      • 1...Bc3
        • 2.Qxh5#
      • 1...Bb4
        • 2.Sc7#
      • 1...c3
        • 2.Qc6#
      • 1...Rc5!
  • Keys
    • 1.c8S!
      • threat
        • 2.Sa7#
      • 1...Bc3
        • 2.Qxh5#
      • 1...Bb4
        • 2.Sc7#
      • 1...c3
        • 2.Qc6#

This is a version of 78212

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(g);N_PINQ(B)::QAR(B),XR(i)
    • P(e);N_PINQ(B)::QAB1(B)
  • Tries
    • Try
      • R(A);CHECK,N_SPINQ(B),XQ(c)
      • Vars
        • B(g);P_SPINB(g)::QAR(B),XR(i)
        • S(a);XR(A)::QAB1(B)
        • P(d);XR(A)::QAB1(B)
        • P(e);XR(A)::QAB1(B)
      • Refutation
        • R(b);P_PINQ(B),XR(A)
    • Try
      • P(G);
      • Threat
        • DUALS(3)
      • Vars
        • B(g);N_PINQ(B)::QAR(B),XR(i)
        • B(g);N_SPINQ(c),SBLOCK::S(E)
      • Refutation
        • R(i);
    • Try
      • P(G);
      • Threat
        • B(G)
      • Vars
        • B(g);N_PINQ(B)::QAR(B),XR(i)
        • B(g);N_SPINQ(c),SBLOCK::S(E)
        • P(e);N_PINQ(B)::QAB1(B)
      • Refutation
        • R(i);
  • Actual
    • P(G);
    • Threat
      • S(G)
    • Vars
      • B(g);N_PINQ(B)::QAR(B),XR(i)
      • B(g);N_SPINQ(c),SBLOCK::S(E)
      • P(e);N_PINQ(B)::QAB1(B)
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