MESON Chess Problem Database

Problem Display
PID: 219077 (2Q5/1K4b1/1N1k4/6r1/6PB/5N2/8/8 w - - 0 1)

Diggs, J Ross

Baltimore American and Commercial Advertiser, 1882

2Q5/1K4b1/1N1k4/6r1/6PB/5N2/8/8

#2

6 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg4
      • 2.Qc6#
    • 1...Ra5
      • 2.Qc6#
    • 1...Rb5
      • 2.Qc6#
    • 1...Rc5
      • 2.Qd7#
    • 1...Rd5
      • 2.Sc4#
      • 2.Qc6#
    • 1...Re5
      • 2.Qc6#
    • 1...Rf5
      • 2.Qc6#
    • 1...Rh5
      • 2.Qc6#
    • 1...Rg6
      • 2.Qc6#
  • Tries
    • 1.Sc4+?
      • 1...Kd5
        • 2.Qc6#
      • 1...Ke7!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qc6#
      • 1...Kxd5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(a);XP(B)::QAR1(F)
    • R(a);::QAR1(F)
    • R(a);P_PINS(D)::QAR1(F)
    • R(a);SBLOCK::QAR1(F)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(F)
      • Refutation
        • K(b);P_SPINR(a),S_FLIGHT
  • Actual
    • S(D);
    • Threat
      • QAR1(F)
    • Vars
      • K(b);P-FLIGHT,XS(D)::QAB1(F)
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Developed and maintained by Brian Stephenson.
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