MESON Chess Problem Database

Problem Display
PID: 248674 (4R3/2P5/1p1p1N2/pK1P4/2n3p1/p1Pk1n1Q/R5B1/2B5 w - - 0 1)

Blikeng, Bjarne

Tidskrift for Schack, 1947

4R3/2P5/1p1p1N2/pK1P4/2n3p1/p1Pk1n1Q/R5B1/2B5

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Rxe3#
  • Tries
    • 1.Qxf3+?
      • 1...Se3
        • 2.Rxe3#
        • 2.Qxe3#
      • 1...gxf3!
  • Keys
    • 1.c8Q!
      • threat
        • 2.Qxc4#
      • 1...Kxc3
        • 2.Qxc4#
      • 1...Sb2
        • 2.Qh7#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Se3
        • 2.Rxe3#
      • 1...Se5
        • 2.Bf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,N_SPINS(c)::R1(J),XS(d)
  • Tries
    • Try
      • Q(E);CHECK,XS(c)
      • Refutation
        • P(e);XQ(E)
  • Actual
    • P(I);
    • Threat
      • QAB1(I),XS(d)
    • Vars
      • K(b);P-FLIGHT,XP(D)::QAR1(I),XS(d)
      • S(d);::QAB(E)
      • S(d);N_GUARD::R1(B),XS(d)
      • S(d);N_GUARD,N_SPINS(c)::R1(J),XS(d)
      • S(d);::B(C)
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