MESON Chess Problem Database

Problem Display
PID: 222418 (K5Q1/8/5R2/5N2/4kb2/4pN2/6b1/4R3 w - - 0 1)

Schett, Sophie

Brooklyn Chess Chronicle, 1883

K5Q1/8/5R2/5N2/4kb2/4pN2/6b1/4R3

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sg3+?
      • 1...Kd3
        • 2.Qb3#
      • 1...Bxg3
        • 2.Qc4#
      • 1...Kxf3!
    • 1.Sd6+?
      • 1...Kd3
        • 2.Qb3#
        • 2.Qc4#
      • 1...Bxd6
        • 2.Qc4#
      • 1...Kxf3!
  • Keys
    • 1.Sxe3!
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Qc4#
      • 1...Kxf3
        • 2.Qxg2#
      • 1...Bxe3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);N_SPINP(b),P_PINS(B),S_FLIGHT::QAR2(F)
        • B(d);XS(C)::QAR2(F)
      • Refutation
        • K(c);N_SPINP(b),P_SPINB(d),S_FLIGHT,XS(B)
    • Try
      • S(C);CHECK
      • Vars
        • B(d);XS(C)::QAR2(F)
      • Refutation
        • K(c);N_SPINP(b),P_SPINB(d),S_FLIGHT,XS(B)
  • Actual
    • S(C);XP(b)
    • Threat
      • QAB1(F)
    • Vars
      • K(c);P_PINS(B),S_FLIGHT::QAB1(F)
      • K(c);OGATEB,P_SPINB(d),S_FLIGHT,XS(B)::QAB1(F),XB(a)
      • B(d);P_SPINB(d),XS(C)::QAR2(F)
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