MESON Chess Problem Database

Problem Display
PID: 144474 (Q7/3pP1p1/2rP2Kp/1N1k2bR/3P4/3R2P1/1N6/8 w - - 0 1)

Francey, James

Grantham Journal, 1933

(First published on Sat Jan 21 1933)

Q7/3pP1p1/2rP2Kp/1N1k2bR/3P4/3R2P1/1N6/8

#2

10 + 6

14867 BCPS Library 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sc3#
    • 1...Ke6
      • 2.Qg8#
  • Tries
    • 1.Rd1?
      • 1...Ke6
        • 2.Qg8#
      • 1...Ke4!
    • 1.Rd2?
      • 1...Ke6
        • 2.Qg8#
      • 1...Ke4!
    • 1.Ra3?
      • 1...Ke6
        • 2.Qg8#
      • 1...Ke4!
    • 1.Rb3?
      • 1...Ke6
        • 2.Qg8#
      • 1...Ke4!
    • 1.Rc3?
      • 1...Ke6
        • 2.Qg8#
      • 1...Ke4!
    • 1.Rf3?
      • 1...Ke6
        • 2.Qg8#
      • 1...Ke4!
    • 1.Rxg5+?
      • 1...Ke4
        • 2.Sc3#
        • 2.Re5#
        • 2.e8Q#
        • 2.e8R#
      • 1...Ke6
        • 2.Re3#
        • 2.Re5#
        • 2.Qg8#
        • 2.d5#
        • 2.e8Q#
        • 2.e8R#
      • 1...hxg5!
    • 1.Qb7?
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6!
    • 1.g4?
      • 1...Ke6
        • 2.Qg8#
      • 1...Ke4!
    • 1.e8S?
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6!
  • Keys
    • 1.e8B!
      • 1...Ke4
        • 2.Sc3#
      • 1...Ke6
        • 2.Bf7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINB(b),S_FLIGHT::S(E)
    • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::QAB(J)
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::QAB(J)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::QAB(J)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::QAB(J)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::QAB(J)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::QAB(J)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::QAB(J)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(F);CHECK,XB(b)
      • Refutation
        • P(d);XR(F)
    • Try
      • Q(J);
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::S(E)
      • Refutation
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT
    • Try
      • P(C);
      • Vars
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::QAB(J)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • P(I);
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::S(E)
      • Refutation
        • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT
  • Actual
    • P(I);
    • Vars
      • K(a);N_SPINB(b),S_FLIGHT::S(E)
      • K(a);N_PINP(G),N_SPINB(b),N_SPINR(c),S_FLIGHT::B(I)
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