MESON Chess Problem Database

Problem Display
PID: 78114 (8/6bq/4b2p/2prr3/8/8/R1PkN3/1KN3QR w - - 0 1)

Rice, John Michael

The Tablet, 1956

(First published on Sat May 12 1956)

8/6bq/4b2p/2prr3/8/8/R1PkN3/1KN3QR

#2

7 + 8

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc2+
      • 2.Rxc2#
    • 1...Qd3
      • 2.cxd3#
    • 1...Qg8
      • 2.c3#
      • 2.c4#
    • 1...Qh8
      • 2.c3#
      • 2.c4#
    • 1...Rd3
      • 2.c4#
    • 1...Re3
      • 2.Qd1#
      • 2.Qe1#
    • 1...Re4
      • 2.c3#
    • 1...Rf5
      • 2.c3#
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qc3#
      • 1...Qxc2+
        • 2.Rxc2#
      • 1...Rxe2
        • 2.Sb3#
      • 1...Qd3
        • 2.cxd3#
      • 1...Rd3
        • 2.c4#
      • 1...Re3
        • 2.Qe1#
      • 1...Re4
        • 2.c3#
      • 1...Rf5
        • 2.c3#
      • 1...Rg5
        • 2.Qf4#
      • 1...Rh5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(h);CHECK,OGATE,P_SPINQ(h),XP(F)::R1(E),XQ(h)
    • Q(h);::R(E)+P(F),XQ(h)
    • R(c);N_PINP(F)::R(E)+P(F)
    • R(d);N_PINP(F)::R(E)+P(F)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • Q(h);CHECK,OGATE,P_SPINQ(h),XP(F)::R1(E),XQ(h)
      • R(d);SBLOCK,XS(G)::S(B)
      • Q(h);::R(E)+P(F),XQ(h)
      • R(c);N_PINP(F)::R(E)+P(F)
      • R(d);SBLOCK::QAB1(C)
      • R(d);N_PINP(F)::R(E)+P(F)
      • R(d);N_GUARD::QAB(C)
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