MESON Chess Problem Database

Problem Display
PID: 254594 (3k3n/6N1/Bp1K3N/3R2p1/1r3p2/B7/1p3Qb1/2b2R2 w - - 0 1)

Rusek, Jan Andrzej

Wiener Schachzeitung, 1936

3k3n/6N1/Bp1K3N/3R2p1/1r3p2/B7/1p3Qb1/2b2R2

#2

8 + 9

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Qxb6#
    • 1...Re4
      • 2.Kc6#
      • 2.Qxb6#
    • 1...Sg6
      • 2.Sf7#
    • 1...Sf7+
      • 2.Sxf7#
    • 1...g4
      • 2.Qh4#
    • 1...b5
      • 2.Qb6#
  • Tries
    • 1.Bxb4?
      • threat
        • 2.Qxb6#
      • 1...Sf7+
        • 2.Sxf7#
      • 1...b5
        • 2.Ba5#
        • 2.Qb6#
      • 1...Be3!
    • 1.Qd4?
      • threat
        • 2.Qf6#
      • 1...Sf7+
        • 2.Sxf7#
      • 1...Sg6
        • 2.Sf7#
      • 1...Rxd4!
    • 1.Qc2?
      • threat
        • 2.Qc7#
        • 2.Qc8#
      • 1...Sf7+
        • 2.Sxf7#
      • 1...Bh3
        • 2.Qc7#
      • 1...Rc4!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qxg5#
      • 1...Sf7+
        • 2.Sxf7#
      • 1...fxg3
        • 2.Rf8#
      • 1...Re4
        • 2.Kc6#
      • 1...Sg6
        • 2.Sf7#
      • 1...f3
        • 2.Ke6#
      • 1...g4
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(d);N_GUARD::QAB(B),XP(g)
    • S(i);N_GUARD::S(G)
    • S(i);CHECK,N_GUARD::S(G),XS(i)
    • P(f);OGATEB::QAB(B)
    • P(g);S_CUTR(d)::QAB(B)
  • Tries
    • Try
      • B(C);XR(d)
      • Threat
        • QAB(B),XP(g)
      • Vars
        • S(i);CHECK,N_GUARD::S(G),XS(i)
      • Refutation
        • B(a);
    • Try
      • Q(B);
      • Threat
        • QAB(B)
      • Vars
        • S(i);CHECK,N_GUARD::S(G),XS(i)
        • S(i);N_GUARD::S(G)
      • Refutation
        • R(d);P_PINR(D),XQ(B)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(i);CHECK,N_GUARD::S(G),XS(i)
        • B(c);::QAB1(B)
      • Refutation
        • R(d);
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XP(f)
    • Vars
      • S(i);CHECK,N_GUARD::S(G),XS(i)
      • P(e);OGATE,XQ(B)::R(A)
      • R(d);S_CUTB(c)::R(D)+K(F)
      • S(i);N_GUARD::S(G)
      • P(e);S_CUTB(c)::R(D)+K(F)
      • P(f);OGATEB::QAB(B)
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