MESON Chess Problem Database

Problem Display
PID: 15897 (2Q4n/p7/2RN1KB1/3k1pp1/1rNp4/1n1R2Pb/4P3/2q2r2 w - - 0 1)

Kiss, Ivan

1st Prize, Vychodoslovenske noviny, 1988

2Q4n/p7/2RN1KB1/3k1pp1/1rNp4/1n1R2Pb/4P3/2q2r2

#2

9 + 11

3297 FIDE Album (1986-1988) 1995
5007 Zadachi i Etyudi 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Qb2
      • 2.Se3#
    • 1...Qa3
      • 2.Se3#
    • 1...Qe3
      • 2.Sxe3#
    • 1...Qa1
      • 2.Se3#
    • 1...Qb1
      • 2.Se3#
    • 1...Qd1
      • 2.Se3#
    • 1...Qe1
      • 2.Se3#
    • 1...Qc2
      • 2.Se3#
    • 1...Qc3
      • 2.Se3#
    • 1...Sa1
      • 2.Rc5#
    • 1...Sd2
      • 2.Se3#
      • 2.Rc5#
    • 1...Sa5
      • 2.Rc5#
    • 1...Sc5
      • 2.Rxc5#
    • 1...Sf7
      • 2.Bxf7#
    • 1...f4
      • 2.Be4#
  • Tries
    • 1.Se5?
      • threat
        • 2.Qe6#
      • 1...Qxc6
        • 2.Qxc6#
      • 1...f4
        • 2.Be4#
      • 1...Sc5!
    • 1.Be8?
      • threat
        • 2.Qe6#
      • 1...Qe3
        • 2.Sxe3#
      • 1...Sc5
        • 2.Rxc5#
      • 1...f4!
    • 1.Rxd4+?
      • 1...Sxd4
        • 2.Rc5#
      • 1...Kxd4!
    • 1.Rc7?
      • threat
        • 2.Qe6#
      • 1...Sc5
        • 2.Rxc5#
      • 1...f4
        • 2.Be4#
      • 1...Qe3!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qe6#
      • 1...Ke4
        • 2.Qe6#
      • 1...Sc5
        • 2.Rxd4#
      • 1...Qe3
        • 2.Sc3#
      • 1...f4
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • Q(a);N_GUARD::S(D)
    • Q(a);N_GUARD::S(D),XQ(a)
    • S(c);N_GUARD::R1(E)
    • S(c);N_GUARD::R1(E),XS(c)
    • S(k);N_GUARD::B(H),XS(k)
    • P(h);OGATE::B(H)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(I)
      • Vars
        • Q(a);OGATE,P_PINS(F),XR(E)::QAB1(I),XQ(a)
        • P(h);OGATE::B(H)
      • Refutation
        • S(c);
    • Try
      • B(H);
      • Threat
        • QAB1(I)
      • Vars
        • Q(a);N_GUARD::S(D),XQ(a)
        • S(c);N_GUARD::R1(E),XS(c)
      • Refutation
        • P(h);
    • Try
      • R(B);CHECK,XP(f)
      • Vars
        • S(c);SBLOCK,XR(B)::R1(E)
      • Refutation
        • K(g);P-FLIGHT,XR(B)
    • Try
      • R(E);
      • Threat
        • QAB1(I)
      • Vars
        • S(c);N_GUARD::R1(E),XS(c)
        • P(h);OGATE::B(H)
      • Refutation
        • Q(a);
  • Actual
    • S(F);
    • Threat
      • QAB1(I)
    • Vars
      • K(g);N_SPINP(f),P_SPINP(h),S_FLIGHT::QAR2(I)
      • S(c);N_GUARD::R1(B),XP(f)
      • Q(a);N_GUARD::S(F)
      • P(h);::R1(E)
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