MESON Chess Problem Database

Problem Display
PID: 203446 (8/8/5K2/8/1R1nNk2/3Qpr1P/1B2prB1/8 w - - 0 1)

Pinke, Jan

De Maasbode, 1924

8/8/5K2/8/1R1nNk2/3Qpr1P/1B2prB1/8

#2

7 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Be5#
      • 2.Qd6#
    • 1...Sb3
      • 2.Be5#
      • 2.Qd6#
    • 1...Sb5
      • 2.Be5#
    • 1...Sf5
      • 2.Be5#
    • 1...Se6
      • 2.Be5#
      • 2.Qd6#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Sh5#
      • 1...Rxg3
        • 2.Rxd4#
        • 2.Qe4#
        • 2.Qf5#
        • 2.Qxd4#
      • 1...Kxg3+!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qe5#
      • 1...Kxe4+
        • 2.Qf5#
      • 1...Rxh3
        • 2.Qg5#
      • 1...Sxb5
        • 2.Be5#
      • 1...Sc6
        • 2.Qf5#
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(e);OGATE::B(A)
  • Tries
    • Try
      • S(F);P_PINS(e)
      • Threat
        • S(F)
      • Refutation
        • K(f);CHECK,N_SPINS(e),S_FLIGHT,XS(F)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(f);CHECK,P-FLIGHT,P_SPINR(d),P_SPINS(e),XS(F)::QAB1(C)
      • R(d);XP(D)::QAB1(C)
      • S(e);OGATE,XQ(C)::B(A)
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