MESON Chess Problem Database

Problem Display
PID: 104336 (8/8/8/2ppp3/3kP1Q1/8/3K4/8 w - - 0 1)

Gasic, Radovan

Troll, 2006

8/8/8/2ppp3/3kP1Q1/8/3K4/8

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qd3#
      • 1...c4
        • 2.Qe3#
      • 1...dxe4!
    • 1.Qg1+?
      • 1...Kxe4
        • 2.Qg4#
      • 1...Kc4!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qxd5#
      • 1...Kc4
        • 2.Qa4#
      • 1...Kxe4
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • P(b);SBLOCK::QAB1(C)
      • Refutation
        • P(c);XP(B)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);P_PINP(c)
    • Threat
      • QAR1(C),XP(c)
    • Vars
      • K(a);N_SPINP(c),P-FLIGHT::QAR2(C)
      • K(a);N_SPINP(c),OGATEB,P-FLIGHT,XP(B)::QAR2(C)
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