MESON Chess Problem Database

Problem Display
PID: 261081 (3R4/1B4p1/2p1p3/n2Pk1Bn/2ppNpP1/5K2/1Q6/8 w - - 0 1)

Janevski, Zivko

Neue Zurcher Zeitung, 2013

3R4/1B4p1/2p1p3/n2Pk1Bn/2ppNpP1/5K2/1Q6/8

#2

8 + 9

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Bxf4#
    • 1...Sf6
      • 2.Bxf4#
    • 1...exd5
      • 2.Re8#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Qe2#
      • 1...Sf6
        • 2.Bxf4#
      • 1...Sg3!
    • 1.Sg3?
      • threat
        • 2.Qe2#
      • 1...Sf6
        • 2.Bxf4#
      • 1...Sxg3!
    • 1.Sc5?
      • threat
        • 2.Qe2#
      • 1...Sf6
        • 2.Bxf4#
      • 1...Sg3!
    • 1.Sf6?
      • threat
        • 2.Qe2#
      • 1...Sxf6
        • 2.Bxf4#
      • 1...Sg3!
    • 1.Qe2?
      • threat
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sf6#
      • 1...Sg3
        • 2.Sxg3#
        • 2.Bxf4#
      • 1...Sf6
        • 2.Sxf6#
        • 2.Bxf4#
      • 1...c3
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sxc3#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sf6#
      • 1...c5
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sxc5#
        • 2.Sd6#
        • 2.Sf6#
      • 1...d3!
    • 1.dxc6?
      • threat
        • 2.Qxd4#
        • 2.Qb5#
      • 1...Sxc6
        • 2.Qb5#
      • 1...Sxb7
        • 2.Qxd4#
      • 1...Sf6
        • 2.Bxf4#
        • 2.Qxd4#
      • 1...c3
        • 2.Qb5#
      • 1...Sb3!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sf7#
      • 1...Kxd5
        • 2.Qb5#
      • 1...exd5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(f);N_GUARD::B(F),XP(c)
    • P(h);OGATEB,SBLOCK,XP(E)::R(H)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR(A)
      • Vars
        • S(f);N_GUARD,SBLOCK::B(F),XP(c)
      • Refutation
        • S(f);
    • Try
      • S(C);
      • Threat
        • QAR(A)
      • Vars
        • S(f);N_GUARD,SBLOCK::B(F),XP(c)
      • Refutation
        • S(f);XS(C)
    • Try
      • S(C);
      • Threat
        • QAR(A)
      • Vars
        • S(f);N_GUARD,SBLOCK::B(F),XP(c)
      • Refutation
        • S(f);
    • Try
      • S(C);
      • Threat
        • QAR(A)
      • Vars
        • S(f);N_GUARD,SBLOCK,XS(C)::B(F),XP(c)
      • Refutation
        • S(f);
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • DUALS(6)
      • Refutation
        • P(b);
    • Try
      • P(E);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • S(d);XP(E)::QAR(A)
        • S(d);XB(G)::QAB1(A),XP(b)
        • P(a);N_SPINP(b)::QAR(A)
      • Refutation
        • S(d);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(e);N_SPINP(b),OGATEB,P-FLIGHT,P_SPINP(g),XP(E)::QAR2(A)
      • P(h);SBLOCK,XP(E)::QAR(A)
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