MESON Chess Problem Database

Problem Display
PID: 77400 (4b3/N1b4r/R1p1B1p1/2k1p1Q1/7p/PppRN3/6PK/n1r4n w - - 0 1)

Hicks, GJ

The Tablet, 1951

(First published on Sat Jun 16 1951)

4b3/N1b4r/R1p1B1p1/2k1p1Q1/7p/PppRN3/6PK/n1r4n

#2

9 + 13

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Rxc6#
    • 1...Ba5
      • 2.Qxe5#
    • 1...Bb6
      • 2.Qxe5#
    • 1...Bd8
      • 2.Qxe5#
    • 1...Bf7
      • 2.Rxc6#
  • Tries
    • 1.Sd1?
      • threat
        • 2.Qe3#
      • 1...Rd7
        • 2.Rxc6#
      • 1...Sc2!
    • 1.Bd7?
      • threat
        • 2.Rxc6#
      • 1...Bb6
        • 2.Qxe5#
      • 1...Bxd7!
    • 1.Qe7+?
      • 1...Bd6
        • 2.Qxd6#
      • 1...Rxe7!
    • 1.Qg4?
      • threat
        • 2.Qb4#
        • 2.Qc4#
      • 1...Sc2
        • 2.Qc4#
      • 1...Ba5
        • 2.Qc4#
      • 1...e4+!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qe3#
      • 1...e4+
        • 2.Sd6#
      • 1...Sc2
        • 2.Rxc3#
      • 1...Re1
        • 2.Rxc3#
      • 1...Rd7
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(l);S_CUTB(m)::R1(G),XP(i)
    • B(k);N_GUARD::QAR2(F),XP(h)
    • B(m);N_GUARD::R1(G),XP(i)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB(F)
      • Vars
        • R(l);S_CUTB(m)::R1(G),XP(i)
      • Refutation
        • S(a);
    • Try
      • B(H);
      • Threat
        • R1(G),XP(i)
      • Vars
        • B(k);N_GUARD::QAR2(F),XP(h)
      • Refutation
        • B(m);XB(H)
    • Try
      • Q(F);CHECK,N_PINP(h)
      • Vars
        • B(k);N_GUARD,P_SPINB(k)::QAB1(F),XB(k)
      • Refutation
        • R(l);XQ(F)
    • Try
      • Q(F);N_PINP(h)
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAR1(F)
        • B(k);::QAR1(F)
      • Refutation
        • P(h);CHECK
  • Actual
    • S(E);N_PINP(h)
    • Threat
      • QAB(F)
    • Vars
      • P(h);CHECK::QAR(F)+S(E)
      • S(a);S_CUTR(b)::R(D),XP(e)
      • R(b);N_GUARD::R(D),XP(e)
      • R(l);S_CUTB(m)::R1(G),XP(i)
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