MESON Chess Problem Database

Problem Display
PID: 40130 (3b4/8/8/4R3/4N3/5k2/3Q3K/3b3n w - - 0 1)

Pauly, Wolfgang

Breslauer Zeitung, 1914

3b4/8/8/4R3/4N3/5k2/3Q3K/3b3n

#2

4 + 4

4198 Wolfgang Pauly Challenge of a Legacy 2001
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • threat
        • 2.Rf5#
        • 2.Qe3#
      • 1...Bc2
        • 2.Qe3#
      • 1...Bb6
        • 2.Rf5#
      • 1...Bc7
        • 2.Qe3#
      • 1...Sg3
        • 2.Qe3#
      • 1...Bxf6!
    • 1.Rf5+?
      • 1...Kg4
        • 2.Qf4#
      • 1...Kxe4!
    • 1.Qf4+?
      • 1...Ke2
        • 2.Sc5#
      • 1...Kxf4!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Sd2#
      • 1...Ke2
        • 2.Sd2#
      • 1...Kf4
        • 2.Sd2#
        • 2.Sg5#
      • 1...Kg4
        • 2.Sd2#
      • 1...Ba5
        • 2.Sg5#
      • 1...Bg5
        • 2.Sxg5#

Anticipated by 93821(1898)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAR1(A)
        • B(d);::R(D)
        • B(d);P_PINR(D)::QAR1(A)
        • S(b);::QAR1(A)
      • Refutation
        • B(d);XS(C)
    • Try
      • R(D);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT,XS(C)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::R(D)+S(C)
      • Refutation
        • K(c);P-FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • S(C)
    • Vars
      • K(c);S_FLIGHT::R(D)+S(C)
      • K(c);S_FLIGHT::QAR(A)+S(C)
      • B(d);N_GUARD::S(C)
      • B(d);N_GUARD::S(C),XB(d)
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