MESON Chess Problem Database

Problem Display
PID: 194205 (8/4p3/8/3kpP2/K1R1R3/3P4/6P1/3Q4 w - - 0 1)

Janet, Frank

Pittsburgh Gazette-Times, 1917

8/4p3/8/3kpP2/K1R1R3/3P4/6P1/3Q4

#2

7 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.d4!
      • threat
        • 2.dxe5#
      • 1...Kxc4
        • 2.Qb3#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Kd6
        • 2.dxe5#
      • 1...exd4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(C);
    • Threat
      • QAR(A)+P(C),XP(b)
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(E)::QAB1(A)
      • K(a);OGATEB,S_FLIGHT,XR(F)::QAB1(A)
      • K(a);P-FLIGHT::QAR(A)+P(C)DCHECK,XP(b)
      • P(b);OGATE,P_SPINP(b),XP(C)::QAR1(A),XP(b)
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