MESON Chess Problem Database

Problem Display
PID: 79180 (5b2/1p1rp3/4Nn1R/1P1k4/1K1pnB1N/8/5PQ1/4R3 w - - 0 1)

Reeves, Alfred Christopher

The Tablet, 1962

(First published on Sat Oct 13 1962)

5b2/1p1rp3/4Nn1R/1P1k4/1K1pnB1N/8/5PQ1/4R3

#2

9 + 8

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Qg8#
    • 1...Rd6
      • 2.Sc7#
    • 1...Rc7
      • 2.Sxc7#
    • 1...Rd8
      • 2.Sc7#
    • 1...Sg4
      • 2.Qxe4#
    • 1...Sh5
      • 2.Qxe4#
    • 1...Sh7
      • 2.Qxe4#
    • 1...Se8
      • 2.Qxe4#
    • 1...Sg8
      • 2.Qxe4#
  • Tries
    • 1.Rh5+?
      • 1...Sxh5
        • 2.Qxe4#
      • 1...Kxe6!
    • 1.Qh3?
      • threat
        • 2.Qf5#
        • 2.Qb3#
      • 1...Rc7
        • 2.Sxc7#
        • 2.Qf5#
      • 1...Sd2
        • 2.Qf5#
      • 1...Sc3
        • 2.Qf5#
      • 1...Sc5
        • 2.Qf5#
      • 1...Sd6
        • 2.Re5#
      • 1...Sg4
        • 2.Qb3#
      • 1...d3
        • 2.Qf5#
      • 1...Sg3!
    • 1.Qg5+?
      • 1...Kxe6
        • 2.Qg8#
      • 1...Sxg5!
    • 1.Qg6?
      • threat
        • 2.Qf5#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Sd6
        • 2.Re5#
      • 1...Sg4
        • 2.Qxe4#
      • 1...Sg3!
  • Keys
    • 1.f3!
      • threat
        • 2.Qa2#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Rc7
        • 2.Sxc7#
      • 1...Sd2
        • 2.Qg5#
      • 1...Sf2
        • 2.Qg5#
      • 1...Sc3
        • 2.Qg5#
      • 1...Sc5
        • 2.Qg5#
      • 1...Sd6
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • K(c);OGATEB,S_FLIGHT,XS(H)::QAB(C)
    • R(f);N_GUARD::S(H)
    • R(f);N_GUARD::S(H),XR(f)
    • S(d);N_GUARD::QAB1(C),XS(b)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • S(d);XR(I)::QAB1(C),XS(b)
      • Refutation
        • K(c);S_FLIGHT,XS(H)
    • Try
      • Q(C);N_PINS(b)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::QAR2(C)
        • S(b);OGATE,SBLOCK::R1(A)
        • S(d);::QAB(C)
        • P(a);::QAR2(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);CHECK,N_PINS(b)
      • Vars
        • K(c);OGATEB,P_SPINS(b),S_FLIGHT,XS(H)::QAB(C)
      • Refutation
        • S(b);XQ(C)
    • Try
      • Q(C);N_PINS(b)
      • Threat
        • QAR2(C)
      • Vars
        • K(c);OGATEB,P_SPINS(b),S_FLIGHT,XS(H)::QAB(C)
        • S(b);OGATE,SBLOCK::R1(A)
        • S(d);N_GUARD::QAB1(C),XS(b)
      • Refutation
        • S(b);
  • Actual
    • P(B);N_PINS(b)
    • Threat
      • QAB(C)
    • Vars
      • K(c);OGATEB,P_SPINS(b),S_FLIGHT,XS(H)::QAB(C)
      • R(f);N_GUARD::S(H),XR(f)
      • S(b);N_GUARD::QAR(C)
      • S(b);OGATE,SBLOCK::R1(A)
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