MESON Chess Problem Database

Problem Display
PID: 207432 (8/qpPp1p2/pp5B/6P1/2p5/5pP1/Q2P1P1b/2k1K2R w K - 0 1)

Sorokin, Evgeny Pavlovich

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Die Schwalbe, 1974

8/qpPp1p2/pp5B/6P1/2p5/5pP1/Q2P1P1b/2k1K2R

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg3
      • 2.0-0#
  • Tries
    • 1.d3?
      • threat
        • 2.g6#
      • 1...Bxg3
        • 2.0-0#
      • 1...cxd3
        • 2.c8Q#
        • 2.c8R#
      • 1...f5
        • 2.gxf5 ep#
      • 1...b5!
  • Keys
    • 1.d4!
      • threat
        • 2.g6#
      • 1...Bxg3
        • 2.0-0#
      • 1...cxd4 ep
        • 2.c8Q#
        • 2.c8R#
      • 1...f5
        • 2.gxf5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(b);P_PINP(E),XP(F)::0-0
  • Tries
    • Try
      • P(D);
      • Threat
        • B(H)+P(G)
      • Vars
        • B(b);P_PINP(E),XP(F)::0-0
        • P(d);XP(D)::P=Q
        • P(j);OGATE::B(H)+P(G),XP(j),EP
      • Refutation
        • P(f);
  • Actual
    • P(D);
    • Threat
      • B(H)+P(G)
    • Vars
      • B(b);P_PINP(E),XP(F)::0-0
      • P(d);EP,XP(D)::P=Q
      • P(j);OGATE::B(H)+P(G),XP(j),EP
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