MESON Chess Problem Database

Problem Display
PID: 22026 (N4B2/1n5K/2kn2R1/1p1r4/3p4/3N1Q1B/2br4/2R5 w - - 0 1)

Funk, Henry E

HM., Good Companions (February), 1923

N4B2/1n5K/2kn2R1/1p1r4/3p4/3N1Q1B/2br4/2R5

#2

8 + 8

3360 Simple Two-move Themes 1924
14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Be6?
      • threat
        • 2.Qxd5#
      • 1...Se4
        • 2.Sb4#
      • 1...Rh2+!
    • 1.Rg7?
      • threat
        • 2.Bd7#
        • 2.Rc7#
      • 1...Rxd3
        • 2.Rc7#
      • 1...b4
        • 2.Bd7#
      • 1...Rh2
        • 2.Rc7#
      • 1...Se4
        • 2.Sb4#
        • 2.Rc7#
      • 1...Sf5
        • 2.Sb4#
        • 2.Se5#
        • 2.Rc7#
      • 1...Se8
        • 2.Bd7#
      • 1...Sa5
        • 2.Rc7#
      • 1...Sc5
        • 2.Rc7#
      • 1...Sd8
        • 2.Rc7#
      • 1...Sf7!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Qxd5#
      • 1...Sf5
        • 2.Se5#
      • 1...Se4
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);N_PINS(g)
      • Threat
        • QAB1(C),XR(e)
      • Vars
        • S(g);N_SPINR(e)::S(B)
      • Refutation
        • R(b);CHECK
    • Try
      • R(E);N_PINS(g),P_SPINS(B)
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XS(B)::R1(E)
        • P(d);::B(D)
        • R(b);P_PINB(D)::R1(E)
        • S(g);::B(D)
        • S(h);::R1(E)
        • S(h);N_SPINB(a)::R1(E)
      • Refutation
        • S(g);
  • Actual
    • R(E);N_PINS(g),P_SPINS(B)
    • Threat
      • QAB1(C),XR(e)
    • Vars
      • S(g);N_PINS(B)::S(B)
      • S(g);N_PINS(B),N_SPINR(e)::S(B)
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