MESON Chess Problem Database

Problem Display
PID: 257727 (b7/2KQ4/2p1N3/2pN1k1P/8/5p2/3n4/B3R1r1 w - - 0 1)

Steinmann, Wilhelm Friedrich Martin

Wiener Schachzeitung, 1888

b7/2KQ4/2p1N3/2pN1k1P/8/5p2/3n4/B3R1r1

#2

7 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rg4
      • 2.Se7#
      • 2.Re5#
      • 2.Qf7#
    • 1...Rg5
      • 2.Sd4#
      • 2.Sef4#
      • 2.Sxc5#
      • 2.Sg7#
      • 2.Sd8#
      • 2.Sf8#
    • 1...Se4
      • 2.Se3#
  • Tries
    • 1.Rxg1?
      • threat
        • 2.Sxc5#
        • 2.Sg5#
      • 1...Ke4
        • 2.Sxc5#
      • 1...c4
        • 2.Sc5#
        • 2.Sg5#
      • 1...cxd5!
    • 1.Qh7+?
      • 1...Rg6
        • 2.Qxg6#
      • 1...Kg4!
  • Keys
    • 1.Re4!
      • threat
        • 2.Rf4#
      • 1...Kxe4
        • 2.Sxc5#
      • 1...Rxa1
        • 2.Qh7#
      • 1...Sxe4
        • 2.Se3#
      • 1...Rg4
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::S(C)
  • Tries
    • Try
      • R(B);XR(a)
      • Threat
        • DUALS(2)
      • Vars
        • K(e);S_FLIGHT::S(E),XP(d)
      • Refutation
        • P(f);XS(C)
    • Try
      • Q(G);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::QAB1(G),XR(a)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • K(e);N_GUARD,S_FLIGHT,XR(B)::S(E),XP(d)
      • R(a);N_GUARD,XB(A)::QAB(G)
      • S(b);SBLOCK,XR(B)::S(C)
      • R(a);SBLOCK::R1(B)
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Developed and maintained by Brian Stephenson.
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