MESON Chess Problem Database

Problem Display
PID: 255896 (2N1b1n1/5R2/2p3p1/r1b1k1p1/2B4p/8/3NPQ2/3R3K w - - 0 1)

Rusek, Jan Andrzej

Wiener Schachzeitung, 1936

2N1b1n1/5R2/2p3p1/r1b1k1p1/2B4p/8/3NPQ2/3R3K

#2

8 + 9

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxc5#
    • 1...Ra2
      • 2.Qxc5#
    • 1...Ra3
      • 2.Qxc5#
    • 1...Ra4
      • 2.Qxc5#
    • 1...Ra6
      • 2.Qxc5#
    • 1...Ra7
      • 2.Qxc5#
    • 1...Ra8
      • 2.Qxc5#
    • 1...Ba3
      • 2.Qe3#
    • 1...Be3
      • 2.Qxe3#
    • 1...Bb4
      • 2.Qe3#
    • 1...Bd4
      • 2.Qh2#
    • 1...Bd6
      • 2.Qe3#
    • 1...Be7
      • 2.Qe3#
    • 1...Bf8
      • 2.Qe3#
    • 1...Sf6
      • 2.Qxf6#
    • 1...Sh6
      • 2.Qf6#
    • 1...Se7
      • 2.Qf6#
    • 1...g4
      • 2.Qf4#
  • Tries
    • 1.e3?
      • threat
        • 2.Qh2#
      • 1...Bxe3
        • 2.Qxe3#
      • 1...Sf6
        • 2.Qxf6#
      • 1...g4
        • 2.Qf4#
      • 1...Bxf7!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sf3#
      • 1...Kxd6
        • 2.Qh2#
      • 1...Bxd6
        • 2.Qe3#
      • 1...Bxf7
        • 2.Sxf7#
      • 1...Ra3
        • 2.Qxc5#
      • 1...Bd4
        • 2.Qh2#
      • 1...Sf6
        • 2.Qxf6#
      • 1...g4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 13
  • Sets
    • R(b);N_GUARD,P_PINR(A)::QAR2(E),XB(c)
    • R(b);N_GUARD::QAR2(E),XB(c)
    • B(c);N_GUARD::QAR2(E)
    • B(c);N_GUARD::QAR2(E),XB(c)
    • B(c);SBLOCK::QAB(E)
    • S(i);N_GUARD::QAB1(E),XS(i)
    • S(i);N_GUARD::QAB1(E)
    • P(e);N_GUARD::QAB1(E)
  • Tries
    • Try
      • P(D);
      • Threat
        • QAB(E)
      • Vars
        • B(c);OGATE,XP(D)::QAR2(E),XB(c)
        • S(i);N_GUARD::QAB1(E),XS(i)
        • P(e);N_GUARD::QAB1(E)
      • Refutation
        • B(h);XR(G)
  • Actual
    • S(H);
    • Threat
      • S(C)
    • Vars
      • K(d);N_GUARD,S_FLIGHT,XS(H)::QAB(E)
      • B(c);N_GUARD,SBLOCK,XS(H)::QAR2(E)
      • B(h);XR(G)::S(H),XB(h)
      • R(b);N_GUARD::QAR2(E),XB(c)
      • B(c);SBLOCK::QAB(E)
      • S(i);N_GUARD::QAB1(E),XS(i)
      • P(e);N_GUARD::QAB1(E)
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