MESON Chess Problem Database

Problem Display
PID: 190007 (3N3K/7p/3k2N1/2Rp4/B7/6P1/2Q5/8 w - - 0 1)

Pauly, Wolfgang

British Chess Magazine, 1913

3N3K/7p/3k2N1/2Rp4/B7/6P1/2Q5/8

#2

7 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Ra5?
      • threat
        • 2.Ra6#
        • 2.Qc5#
        • 2.Qc6#
      • 1...d4
        • 2.Qc5#
        • 2.Qc6#
      • 1...hxg6!
    • 1.Rb5?
      • threat
        • 2.Rb6#
        • 2.Qc6#
      • 1...Kd7
        • 2.Rxd5#
      • 1...d4
        • 2.Qc6#
      • 1...hxg6!
    • 1.Qe2?
      • threat
        • 2.Sb7#
        • 2.Qe7#
      • 1...hxg6
        • 2.Sb7#
      • 1...Kxc5!
  • Keys
    • 1.Rc8!
      • threat
        • 2.Qc5#
        • 2.Qc6#
        • 2.Qc7#
      • 1...hxg6
        • 2.Qc7#
      • 1...d4
        • 2.Qc5#
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • DUALS(3)
      • Refutation
        • P(c);XS(E)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::B(C)+R(D),DCHECK,XP(a)
        • P(a);::QAR1(A)
      • Refutation
        • P(c);XS(E)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);XS(E)::S(F)
      • Refutation
        • K(b);S_FLIGHT,XR(D)
  • Actual
    • R(D);
    • Threat
      • DUALS(3)
    • Vars
      • P(c);XS(E)::QAB1(A)
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