MESON Chess Problem Database

Problem Display
PID: 68968 (8/4K3/8/3bk3/4pp2/1N6/3P4/1B3Q2 w - - 0 1)

Gold, Samuel

The Chess Player's Chronicle (Sampson), 1872

8/4K3/8/3bk3/4pp2/1N6/3P4/1B3Q2

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.d4#
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qh5#
      • 1...Kf5
        • 2.Qh5#
      • 1...Bxb3
        • 2.Qxe4#
      • 1...Be6
        • 2.Qxe4#
      • 1...Bf7
        • 2.Qxe4#
      • 1...f3!
    • 1.Qg2?
      • threat
        • 2.Qg5#
      • 1...Bxb3
        • 2.Qxe4#
      • 1...Be6
        • 2.Qxe4#
      • 1...Kf5!
    • 1.Qh1?
      • threat
        • 2.Qh5#
      • 1...Kf5
        • 2.Qh5#
      • 1...Bxb3
        • 2.Qxe4#
      • 1...Be6
        • 2.Qxe4#
      • 1...Bf7
        • 2.Qxe4#
      • 1...f3!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qh5#
      • 1...Kf5
        • 2.Qh5#
      • 1...Bxb3
        • 2.Qxe4#
      • 1...exf3
        • 2.d4#
      • 1...Be6
        • 2.Qxe4#
      • 1...Bf7
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(a);N_GUARD::P(C)
  • Tries
    • Try
      • Q(B);P_PINP(a)
      • Threat
        • QAR(B)
      • Vars
        • K(d);P-FLIGHT::QAR2(B)
        • B(c);N_GUARD,XS(D)::QAR1(B),XP(a)
        • B(c);N_GUARD::QAR1(B),XP(a)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • B(c);N_GUARD,XS(D)::QAR1(B),XP(a)
        • B(c);N_GUARD::QAR1(B),XP(a)
      • Refutation
        • K(d);P-FLIGHT,P_SPINP(a)
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(a)::QAR2(B)
        • B(c);N_GUARD,XS(D)::QAR1(B),XP(a)
        • B(c);N_GUARD::QAR1(B),XP(a)
      • Refutation
        • P(b);
  • Actual
    • Q(B);
    • Threat
      • QAR(B)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(a)::QAR2(B)
      • B(c);N_GUARD,XS(D)::QAR1(B),XP(a)
      • P(a);N_GUARD,XQ(B)::P(C)
      • B(c);N_GUARD::QAR1(B),XP(a)
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