MESON Chess Problem Database

Problem Display
PID: 44968 (Q7/5B2/8/Bk1p2N1/2R5/1b6/p1n5/n6K w - - 0 1)

Frankenstein, Edward Nathan

Source?, 0000

Q7/5B2/8/Bk1p2N1/2R5/1b6/p1n5/n6K

#2

6 + 6

3316 Chess Problem Text Book 1887
15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Qxd5#
  • Tries
    • 1.Se4?
      • threat
        • 2.Sd6#
      • 1...Kxc4
        • 2.Qxd5#
      • 1...Bxc4
        • 2.Be8#
      • 1...dxc4
        • 2.Be8#
      • 1...Sb4
        • 2.Rxb4#
      • 1...dxe4!
    • 1.Rc5+?
      • 1...Ka4
        • 2.Be1#
        • 2.Bd2#
        • 2.Bc3#
      • 1...Kxc5!
    • 1.Qb7+?
      • 1...Kxc4
        • 2.Qxd5#
      • 1...Kxa5!
  • Keys
    • 1.Se6!
      • 1...Kxc4
        • 2.Qa6#
      • 1...Bxc4
        • 2.Be8#
      • 1...dxc4
        • 2.Be8#
      • 1...Sb4
        • 2.Rxb4#
      • 1...Ba4
        • 2.Rc5#
      • 1...Se1
        • 2.Rb4#
      • 1...Sa3
        • 2.Rb4#
      • 1...Se3
        • 2.Rb4#
      • 1...Sd4
        • 2.Rb4#
      • 1...d4
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(e);P_SPINP(f),S_FLIGHT,XR(B)::QAB1(F),XP(f)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • K(e);P_SPINP(f),S_FLIGHT,XR(B)::QAB1(F),XP(f)
        • B(d);SBLOCK,XR(B)::B(E)
        • P(f);SBLOCK,XR(B)::B(E)
        • S(c);N_GUARD::R1(B),XS(c)
      • Refutation
        • P(f);XS(D)
    • Try
      • R(B);CHECK
      • Refutation
        • K(e);P-FLIGHT,XR(B)
    • Try
      • Q(F);CHECK
      • Vars
        • K(e);P_SPINP(f),S_FLIGHT,XR(B)::QAB1(F),XP(f)
      • Refutation
        • K(e);P-FLIGHT,XB(C)
  • Actual
    • S(D);
    • Vars
      • K(e);S_FLIGHT,XR(B)::QAB(F)
      • B(d);SBLOCK,XR(B)::B(E)
      • P(f);SBLOCK,XR(B)::B(E)
      • S(c);N_GUARD::R1(B),XS(c)
      • B(d);SBLOCK::R1(B)
      • S(c);N_GUARD::R1(B)
      • P(f);::S(D)
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