MESON Chess Problem Database

Problem Display
PID: 276892 (6b1/8/3Br3/6pn/1RNP2k1/8/K1B1P2Q/8 w - - 0 1)

Salazar Lopez, Francisco

Stella Polaris, 1971

6b1/8/3Br3/6pn/1RNP2k1/8/K1B1P2Q/8

#2

8 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.d5?
      • threat
        • 2.Se3#
        • 2.Se5#
      • 1...Rxe2
        • 2.Se5#
      • 1...Re4
        • 2.Se3#
      • 1...Re3
        • 2.Sxe3#
        • 2.Se5#
      • 1...Re5
        • 2.Se3#
        • 2.Sxe5#
      • 1...Sf4!
  • Keys
    • 1.Rb3!
      • threat
        • 2.Qh3#
      • 1...Rxd6
        • 2.Se3#
        • 2.Se5#
      • 1...Re3
        • 2.Sxe3#
      • 1...Re5
        • 2.Sxe5#
      • 1...Sg3
        • 2.Rxg3#
      • 1...Sf4
        • 2.Rg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);P_PINB(B),XP(C)::R(E)+S(F),DCHECK
        • R(d);::S(F)
      • Refutation
        • S(c);
  • Actual
    • R(E);
    • Threat
      • QAB1(D)
    • Vars
      • R(d);N_GUARD::S(F),XR(d)
      • S(c);N_GUARD::R1(E),XS(c)
      • S(c);N_GUARD::R1(E)
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