MESON Chess Problem Database

Problem Display
PID: 89102 (8/4n3/2b5/8/8/8/Q3N1k1/4K2R w K - 0 1)

Rice, John Michael

The Problemist, 1991

8/4n3/2b5/8/8/8/Q3N1k1/4K2R

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qh3#
      • 1...Kxh1
        • 2.Qh3#
      • 1...Kf3
        • 2.0-0#
      • 1...Bd7
        • 2.Qe4#
      • 1...Sf5
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(a);S_FLIGHT,XR(B)::QAR2(C)
      • K(a);S_FLIGHT::0-0
      • B(b);N_GUARD::QAB(C)
      • S(c);N_GUARD::QAB(C),XB(b)
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