MESON Chess Problem Database

Problem Display
PID: 175513 (8/7p/R5pP/6k1/3Q2p1/3N2N1/7K/8 w - - 0 1)

Anonymous

Philadelphia Times, 1899

8/7p/R5pP/6k1/3Q2p1/3N2N1/7K/8

#2

6 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se1?
      • 1...Kh4
        • 2.Sf3#
      • 1...Kxh6!
    • 1.Sf2?
      • 1...Kh4
        • 2.Qxg4#
      • 1...Kxh6!
    • 1.Ra4?
      • 1...Kh4
        • 2.Qxg4#
      • 1...Kxh6!
    • 1.Rxg6+?
      • 1...Kh4
        • 2.Rxg4#
        • 2.Qf6#
        • 2.Qxg4#
        • 2.Qd8#
      • 1...Kxg6
        • 2.Qg7#
      • 1...hxg6!
    • 1.Qxg4+?
      • 1...Kxh6
        • 2.Sf5#
      • 1...Kxg4!
  • Keys
    • 1.Se5!
      • 1...Kh4
        • 2.Sf3#
        • 2.Qxg4#
      • 1...Kxh6
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::S(B)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT,XP(F)
    • Try
      • S(B);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAR1(D),XP(a)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT,XP(F)
    • Try
      • R(E);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::QAR1(D),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
    • Try
      • R(E);CHECK,XP(c)
      • Vars
        • K(b);P-FLIGHT,XR(E)::QAR1(D)
      • Refutation
        • P(d);XR(E)
    • Try
      • Q(D);CHECK,XP(a)
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT,XP(F)::S(C)
      • Refutation
        • K(b);P-FLIGHT,XQ(D)
  • Actual
    • S(B);
    • Vars
      • K(b);P_SPINP(c),S_FLIGHT,XP(F)::S(B)
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Developed and maintained by Brian Stephenson.
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