MESON Chess Problem Database

Problem Display
PID: 70541 (7B/1q6/8/2p1N1R1/2Pkp3/4R1K1/1P3P2/8 w - - 0 1)

Hultberg, Gustav Herbert

Die Schwalbe, 1939

7B/1q6/8/2p1N1R1/2Pkp3/4R1K1/1P3P2/8

#2

8 + 4

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Keys
    • 1.Rg4!
      • threat
        • 2.Rd3#
      • 1...Qg7
        • 2.Rxe4#
      • 1...Qb3
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(G);P_PINP(b)
    • Threat
      • R1(C)
    • Vars
      • Q(d);N_GUARD,P_PINR(G)::R1(C),XP(b)
      • Q(d);N_GUARD,P_PINR(C)::R1(G),XP(b)
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