MESON Chess Problem Database

Problem Display
PID: 263939 (7K/6NP/1R2B1k1/4PpB1/2pp4/3QNP2/pr1r4/1q4R1 w - - 0 1)

Tallett, AF

Sunday Referee, 1935

(First published on Sun Mar 10 1935)

7K/6NP/1R2B1k1/4PpB1/2pp4/3QNP2/pr1r4/1q4R1

#2

11 + 8

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Qxf5#
    • 1...Qc1
      • 2.Qxf5#
    • 1...Qd1
      • 2.Qxf5#
    • 1...Qe1
      • 2.Qxf5#
    • 1...Qf1
      • 2.Qxf5#
    • 1...Qxg1
      • 2.Qxf5#
    • 1...Rbc2
      • 2.Qxf5#
    • 1...Rdc2
      • 2.Qxf5#
    • 1...cxd3
      • 2.Bb3#
    • 1...c3
      • 2.Bb3#
  • Tries
    • 1.Kg8?
      • threat
        • 2.Bxf5#
        • 2.Bf7#
        • 2.h8S#
      • 1...Qxg1
        • 2.Qxf5#
      • 1...Rh2
        • 2.Bxf5#
        • 2.Bf7#
      • 1...Rg2!
    • 1.Sd5?
      • threat
        • 2.Sf4#
        • 2.Se7#
      • 1...Qxg1
        • 2.Qxf5#
      • 1...Rg2!
    • 1.Bf4+?
      • 1...Qxg1
        • 2.Qxf5#
      • 1...Rg2!
    • 1.Bd7+?
      • 1...Rxb6
        • 2.Be8#
      • 1...Kf7!
    • 1.Rg3?
      • threat
        • 2.Bf4#
      • 1...Qe1
        • 2.Qxf5#
      • 1...Qg1
        • 2.Qxf5#
      • 1...Rg2!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Qxf5#
      • 1...Qxc2
        • 2.Bxd2#
      • 1...Rxd3
        • 2.Bc1#
      • 1...cxd3
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • Q(a);N_GUARD::QAB1(B),XP(g)
    • Q(a);N_GUARD,XR(A)::QAB1(B),XP(g)
    • R(c);S_CUTQ(a)::QAB1(B),XP(g)
    • R(d);S_CUTQ(a)::QAB1(B),XP(g)
    • P(e);N_SPINP(g),OGATE,XQ(B)::R(G)+B(H)
    • P(e);OGATE::R(G)+B(H)
  • Tries
    • Try
      • K(K);P-FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • Q(a);N_GUARD,XR(A)::QAB1(B),XP(g)
      • Refutation
        • R(d);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);N_GUARD,XR(A)::QAB1(B),XP(g)
      • Refutation
        • R(d);
    • Try
      • B(F);CHECK
      • Vars
        • Q(a);XR(A)::QAB1(B),XP(g)
      • Refutation
        • R(d);P_SPINR(d)
    • Try
      • B(H);CHECK
      • Vars
        • R(c);XR(G)::B(H)
      • Refutation
        • K(h);N_SPINP(g),S_FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)+B(F)
      • Vars
        • Q(a);N_GUARD::QAB1(B),XP(g)
      • Refutation
        • R(d);
  • Actual
    • S(C);
    • Threat
      • QAB1(B),XP(g)
    • Vars
      • Q(a);N_GUARD,XS(C)::R(A)+B(F),XR(d)
      • R(d);N_SPINP(g),OGATE,XQ(B)::R(A)+B(F)
      • P(e);N_SPINP(g),OGATE,XQ(B)::R(G)+B(H)
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