MESON Chess Problem Database

Problem Display
PID: 65168 (4K3/2p4p/b1rPQpp1/3R1N1p/1pr2kBP/8/1pn2BR1/2b5 w - - 0 1)

Kovacevic, Marjan

3rd HM., Phenix, 1991

4K3/2p4p/b1rPQpp1/3R1N1p/1pr2kBP/8/1pn2BR1/2b5

#2

9 + 13

4827 FIDE Album (1989-1991) 1997

SOLUTION

  • SOUND
  • Sets
    • 1...gxf5
      • 2.Rxf5#
      • 2.Qxf5#
  • Tries
    • 1.Se3?
      • threat
        • 2.Bg3#
      • 1...hxg4
        • 2.Qxg4#
      • 1...Re4!
    • 1.Sg3?
      • threat
        • 2.Se2#
      • 1...hxg4
        • 2.Qxf6#
      • 1...Rc3
        • 2.Qe4#
      • 1...Re4
        • 2.Qxe4#
      • 1...R4c5
        • 2.Qe4#
      • 1...Sd4
        • 2.Qe4#
      • 1...Rd4!
    • 1.Sd4?
      • threat
        • 2.Se2#
        • 2.Bg3#
      • 1...Rxd4
        • 2.Bg3#
      • 1...Sxd4
        • 2.Bg3#
      • 1...hxg4
        • 2.Bg3#
        • 2.Rxg4#
        • 2.Qxg4#
      • 1...R4c5
        • 2.Bg3#
      • 1...f5
        • 2.Se2#
        • 2.Qe5#
      • 1...Rc3!
    • 1.Se7?
      • threat
        • 2.Bg3#
      • 1...hxg4
        • 2.Qxg4#
      • 1...Re4
        • 2.Qxf6#
      • 1...f5
        • 2.Qe5#
      • 1...Rc3!
    • 1.Bg1?
      • threat
        • 2.Bh2#
      • 1...hxg4
        • 2.Rf2#
      • 1...Rc3!
  • Keys
    • 1.Qxf6!
      • threat
        • 2.Qe5#
      • 1...Re4+
        • 2.Se7#
      • 1...Ke4
        • 2.Qe5#
      • 1...hxg4
        • 2.Sg3#
      • 1...cxd6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • B(A)
      • Vars
        • P(g);OGATE,XB(C)::QAR1(H),XP(g)
      • Refutation
        • R(e);P_PINQ(H)
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • P(g);SBLOCK,XB(C)::QAR2(H),XP(j)
        • R(e);N_GUARD::QAR1(H)
        • R(e);N_GUARD,P_PINQ(H)::QAR1(H),XR(e)
        • S(c);S_CUTR(e)::QAR1(H)
      • Refutation
        • R(e);
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);XS(F)::B(A)
        • S(c);XS(F)::B(A)
        • R(e);::B(A)
      • Refutation
        • R(e);
    • Try
      • S(F);
      • Threat
        • B(A)
      • Vars
        • P(g);OGATE,XB(C)::QAR1(H),XP(g)
        • R(e);SBLOCK::QAR2(H),XP(j)
        • P(j);N_GUARD::QAB1(H)
      • Refutation
        • R(e);
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • P(g);SBLOCK,XB(C)::R(B)
      • Refutation
        • R(e);
  • Actual
    • Q(H);XP(j)
    • Threat
      • QAB1(H)
    • Vars
      • R(e);CHECK,SBLOCK::QAR(H)+S(F)
      • K(f);P-FLIGHT::QAR1(H)
      • P(g);SBLOCK,XB(C)::QAR(H)+S(F)
      • P(l);XP(G)::QAR(H)+S(F),XP(l)
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