MESON Chess Problem Database

Problem Display
PID: 19445 (8/3p1p2/4Nk2/2Q1p2P/3NP3/8/BB5K/8 w - - 0 1)

Jorgensen, Walther Martinus Johannes

Magasinet, 1947

8/3p1p2/4Nk2/2Q1p2P/3NP3/8/BB5K/8

#2

8 + 4

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...exd4
      • 2.Bxd4#
      • 2.Qg5#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Bxe5#
        • 2.Qe7#
        • 2.Qxe5#
      • 1...dxe6
        • 2.Qe7#
      • 1...fxe6
        • 2.Qe7#
      • 1...d5
        • 2.Qe7#
      • 1...d6!
    • 1.Bc1?
      • threat
        • 2.Bg5#
      • 1...fxe6
        • 2.Qf8#
      • 1...dxe6!
    • 1.Qf8?
      • threat
        • 2.Qd8#
      • 1...exd4
        • 2.Bxd4#
      • 1...dxe6!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Bxe5#
        • 2.Qf2#
        • 2.Qe7#
        • 2.Qxe5#
      • 1...dxc6
        • 2.Bxe5#
      • 1...dxe6
        • 2.Qxe5#
      • 1...fxe6
        • 2.Qe7#
      • 1...d5
        • 2.Qe7#
      • 1...d6
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);P_PINP(a)
      • Threat
        • DUALS(3)
      • Vars
        • P(c);XS(H)::QAB1(F)
        • P(d);XS(H)::QAB1(F)
        • P(c);::QAB1(F)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Threat
        • B(B)
      • Vars
        • P(d);OGATEB,XS(H)::QAR2(F)
      • Refutation
        • P(c);XS(H)
    • Try
      • Q(F);P_PINP(d)
      • Threat
        • QAB(F)
      • Vars
        • P(a);N_SPINP(d),OGATE,P_SPINP(a),XS(D)::B(B),XP(a)
      • Refutation
        • P(c);XS(H)
  • Actual
    • S(D);P_PINP(a)
    • Threat
      • DUALS(4)
    • Vars
      • P(c);XS(D)::B(B),XP(a)
      • P(c);XS(H)::QAB1(F),XP(a)
      • P(d);XS(H)::QAB1(F)
      • P(c);::QAB1(F)
      • P(c);::QAR(F)
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