MESON Chess Problem Database

Problem Display
PID: 108143 (2K5/8/p1Q1P3/1p3Nn1/3N4/3k1P2/2Rrp3/1n1bB3 w - - 0 1)

Gleave, Walter

Kentish Mercury, 1893

2K5/8/p1Q1P3/1p3Nn1/3N4/3k1P2/2Rrp3/1n1bB3

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Rxd2#
      • 2.Rc3#
      • 2.Qc3#
    • 1...Sc3
      • 2.Rxd2#
      • 2.Rxc3#
      • 2.Qxc3#
    • 1...Sxf3
      • 2.Qxf3#
    • 1...Sh3
      • 2.Qe4#
    • 1...Se4
      • 2.Qxe4#
    • 1...Sxe6
      • 2.Qe4#
    • 1...Sf7
      • 2.Qe4#
    • 1...Sh7
      • 2.Qe4#
    • 1...b4
      • 2.Qc4#
      • 2.Qxa6#
    • 1...a5
      • 2.Qxb5#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Sc1#
      • 1...Sc3
        • 2.Rxd2#
        • 2.Rxc3#
        • 2.Qxc3#
      • 1...Rxc2!
  • Keys
    • 1.Qd5!
      • 1...Rxc2+
        • 2.Sc6#
      • 1...Bxc2
        • 2.Sxb5#
      • 1...Sxf3
        • 2.Qxf3#
      • 1...Sxe6
        • 2.Qe4#
      • 1...Sa3
        • 2.Qb3#
      • 1...Sc3
        • 2.Rxd2#
      • 1...Sh3
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sf7
        • 2.Qe4#
      • 1...Sh7
        • 2.Qe4#
      • 1...b4
        • 2.Qc4#
      • 1...a5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(g);OGATE,XP(C)::QAR2(F),XS(g)
    • S(g);N_GUARD::QAB1(F)
    • S(g);N_GUARD::QAB1(F),XS(g)
    • S(g);N_GUARD,XP(G)::QAB1(F)
    • P(h);N_GUARD::QAB(F),XP(f)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Refutation
        • R(c);P_PINQ(F),XR(B)
  • Actual
    • Q(F);
    • Vars
      • R(c);CHECK,SBLOCK,XR(B)::QAR(F)+S(D)
      • B(b);SBLOCK,XR(B)::QAR(F)+S(D),XP(f)
      • S(g);OGATE,XP(C)::QAR2(F),XS(g)
      • S(g);N_GUARD,XP(G)::QAB1(F)
      • S(a);N_GUARD::QAR2(F)
      • S(a);N_GUARD,SBLOCK::R1(B),XR(c)
      • S(g);N_GUARD::QAB1(F)
      • S(g);N_GUARD::QAB1(F),XS(g)
      • P(f);N_GUARD::QAB1(F)
      • P(h);N_GUARD::QAB(F),XP(f)
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