MESON Chess Problem Database

Problem Display
PID: 194124 (8/2RnP3/2B2b2/2P2K2/2k2p2/2P2p2/2QPp3/8 w - - 0 1)

Kennard, Walter Irving

American Chess Bulletin, 1917

8/2RnP3/2B2b2/2P2K2/2k2p2/2P2p2/2QPp3/8

#2

8 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc3
      • 2.Qxc3#
  • Tries
    • 1.Bb5+?
      • 1...Kd5
        • 2.Qb3#
        • 2.Qe4#
        • 2.Qa2#
      • 1...Kxb5!
    • 1.Bd5+?
      • 1...Kxd5
        • 2.Qb3#
        • 2.Qe4#
        • 2.Qa2#
      • 1...Kb5!
    • 1.Qb1?
      • threat
        • 2.Qb5#
      • 1...Kxc5
        • 2.Qb4#
      • 1...Bxc3!
    • 1.Qa4+?
      • 1...Kxc5
        • 2.Qb4#
      • 1...Kd3!
    • 1.Qa2+?
      • 1...Kd3
        • 2.Be4#
        • 2.Bb5#
      • 1...Kxc5!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qb5#
      • 1...Kd3
        • 2.Bb5#
      • 1...Kxc5
        • 2.Qb4#
      • 1...Bxc3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(e);OGATE,P_SPINB(e),XP(C)::QAR1(A),XB(e)
  • Tries
    • Try
      • B(F);CHECK
      • Refutation
        • K(c);S_FLIGHT,XB(F)
    • Try
      • B(F);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);P-FLIGHT,XP(D)::QAB1(A)
      • Refutation
        • B(e);XP(C)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(D)::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);P-FLIGHT,XP(D)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(c);S_FLIGHT::B(F)
      • K(c);P-FLIGHT,XP(D)::QAB1(A)
      • B(e);OGATE,XP(C)::QAR1(A),XB(e)
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