MESON Chess Problem Database

Problem Display
PID: 4759 (3B4/5n2/3p4/p1k5/r1PR4/p3Q3/p7/K1R2B2 w - - 0 1)

Shinkman, William Anthony

Illustrated American, 1890

3B4/5n2/3p4/p1k5/r1PR4/p3Q3/p7/K1R2B2

#2

7 + 7

2794 Terms & Themes of Chess Problems 1907
3925 The Golden Argosy 1929

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.c5#
  • Tries
    • 1.Rdd1+?
      • 1...Kb4
        • 2.Qb6#
      • 1...Kc6!
    • 1.Rd2+?
      • 1...Kb4
        • 2.Qb6#
      • 1...Kc6!
    • 1.Rd3+?
      • 1...Kb4
        • 2.Rb3#
        • 2.Qb6#
      • 1...Kc6!
    • 1.Re4+?
      • 1...Kb4
        • 2.Qb6#
        • 2.c5#
      • 1...Kc6!
    • 1.Rf4+?
      • 1...Kb4
        • 2.Qb6#
        • 2.c5#
      • 1...Kc6!
    • 1.Rg4+?
      • 1...Kb4
        • 2.Qb6#
        • 2.c5#
      • 1...Kc6!
    • 1.Rh4+?
      • 1...Kb4
        • 2.Qb6#
        • 2.c5#
      • 1...Kc6!
    • 1.Rd5+?
      • 1...Kb4
        • 2.Rb5#
        • 2.Qb6#
        • 2.Qc3#
      • 1...Kc6!
    • 1.Rxd6+?
      • 1...Kb4
        • 2.Rb6#
        • 2.Qb6#
      • 1...Kxd6!
  • Keys
    • 1.Qe6!
      • 1...Kb4
        • 2.c5#
      • 1...Kxd4
        • 2.Bb6#
      • 1...Kc6
        • 2.Qc8#
      • 1...Rxc4
        • 2.Qxc4#
      • 1...Sxd8
        • 2.Qxd6#
      • 1...Rb4
        • 2.Qd5#
      • 1...Se5
        • 2.Qxd6#
      • 1...Sg5
        • 2.Qxd6#
      • 1...Sh6
        • 2.Qxd6#
      • 1...Sh8
        • 2.Qxd6#
      • 1...d5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(e);OGATE,S_FLIGHT::R(F)+P(E)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR2(D)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAR2(D)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • R(F);CHECK,XP(f)
      • Refutation
        • K(e);S_FLIGHT,XR(F)
  • Actual
    • Q(D);
    • Vars
      • K(e);OGATE,S_FLIGHT::R(F)+P(E)
      • K(e);S_FLIGHT,XR(F)::B(G)
      • K(e);P-FLIGHT,P_SPINP(f)::QAR2(D)
      • R(c);OGATE,P_SPINR(c),XP(E)::QAR1(D),XR(c)
      • S(g);N_GUARD,XB(G)::QAB1(D),XP(f)
      • R(c);SBLOCK::QAR1(D)
      • S(g);N_GUARD::QAB1(D),XP(f)
      • P(f);OGATE::QAB1(D)
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