MESON Chess Problem Database

Problem Display
PID: 222602 (1Q2n2q/8/2pR4/2Pb1B2/1Kpk4/3N4/3P3n/8 w - - 0 1)

Hodges, Albert Beauregard

New Orleans Times-Democrat, 1884

1Q2n2q/8/2pR4/2Pb1B2/1Kpk4/3N4/3P3n/8

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd6
      • 2.Qxh8#
    • 1...Sc7
      • 2.Qxh8#
  • Tries
    • 1.Rxd5+?
      • 1...cxd5
        • 2.Qf4#
      • 1...Kxd5!
    • 1.Qxe8?
      • threat
        • 2.Qe3#
        • 2.Qe4#
        • 2.Qxh8#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qf6
        • 2.Qe3#
        • 2.Qe4#
      • 1...Qg7
        • 2.Qe3#
        • 2.Qe4#
      • 1...Qh3
        • 2.Qe4#
        • 2.Qe5#
      • 1...Qh4
        • 2.Qe3#
        • 2.Qe5#
      • 1...Qh5
        • 2.Qe3#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Qh6
        • 2.Qe4#
        • 2.Qe5#
      • 1...Qh7
        • 2.Qe3#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Qf8
        • 2.Qe3#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Qg8
        • 2.Qe3#
        • 2.Qe4#
        • 2.Qe5#
      • 1...Sf1
        • 2.Qe4#
        • 2.Qxh8#
      • 1...Sf3
        • 2.Qe3#
        • 2.Qe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Qxe8!
  • Keys
    • 1.Rd7!
      • threat
        • 2.Qf4#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qh4
        • 2.Qe5#
      • 1...Qh6
        • 2.Qe5#
      • 1...Sd6
        • 2.Qxh8#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sc7
        • 2.Qxh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(f);N_SPINB(d),OGATE,XR(F)::QAB(G),XQ(g)
    • S(f);OGATE::QAB(G),XQ(g)
  • Tries
    • Try
      • R(F);CHECK,XB(d)
      • Vars
        • P(e);SBLOCK,XR(F)::QAR2(G)
      • Refutation
        • K(c);P-FLIGHT,XR(F)
    • Try
      • Q(G);XS(f)
      • Threat
        • DUALS(3)
      • Vars
        • Q(g);N_GUARD::QAB1(G),XQ(g)
        • S(a);::QAR1(G)
      • Refutation
        • Q(g);XQ(G)
  • Actual
    • R(F);
    • Threat
      • QAR2(G)
    • Vars
      • Q(g);N_GUARD::QAB1(G),XQ(g)
      • Q(g);N_GUARD::QAB1(G)
      • S(f);N_SPINB(d),OGATE::QAB(G),XQ(g)
      • S(f);S_CUTQ(g)::QAB1(G)
      • S(f);OGATE::QAB(G),XQ(g)
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