MESON Chess Problem Database

Problem Display
PID: 52080 (6QR/2b3N1/5pN1/2n1R1q1/4P1kp/2r1B1P1/4P2P/5B1K w - - 0 1)

Gvozdjak, Peter

1st Sp. Prize, Bertin MT, 1989

6QR/2b3N1/5pN1/2n1R1q1/4P1kp/2r1B1P1/4P2P/5B1K

#2

12 + 7

702 Phenix 1991
4827 FIDE Album (1989-1991) 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe3
      • 2.Rxh4#
    • 1...Qf4
      • 2.Rxh4#
    • 1...Qxe5
      • 2.Rxh4#
    • 1...Qf5
      • 2.Rxh4#
    • 1...Qxg6
      • 2.Rxh4#
    • 1...hxg3
      • 2.Bh3#
      • 2.h3#
    • 1...h3
      • 2.Bxh3#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Bh3#
      • 1...Qxf4
        • 2.Rxh4#
      • 1...Qxe5
        • 2.Sf5#
      • 1...Qf5
        • 2.Sxf5#
      • 1...h3
        • 2.Bxh3#
      • 1...Rc1!
    • 1.Bf4?
      • threat
        • 2.h3#
      • 1...Qxf4
        • 2.Rxh4#
      • 1...h3
        • 2.Bxh3#
      • 1...Rxg3!
  • Keys
    • 1.Sf5!
      • threat
        • 2.h3#
      • 1...Qxe3
        • 2.Sf4#
      • 1...Qxf5
        • 2.Rxh4#
      • 1...Qf4
        • 2.Sxf4#
      • 1...Qh6
        • 2.Sxh6#
      • 1...h3
        • 2.Bxh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(e);N_GUARD,XB(E)::R1(L),XP(c)
    • Q(e);N_GUARD::R1(L),XP(c)
    • Q(e);N_GUARD,XR(H)::R1(L),XP(c)
    • Q(e);N_GUARD,XS(I)::R1(L),XP(c)
    • P(c);::B(A),XP(c)
  • Tries
    • Try
      • S(I);
      • Threat
        • B(A)
      • Vars
        • Q(e);N_GUARD,XS(I)::R1(L),XP(c)
        • Q(e);XR(H)::QAR(K)+S(J)
        • Q(e);::QAR(K)+S(J),XQ(e)
        • P(c);::B(A),XP(c)
      • Refutation
        • R(a);P_PINB(A)
    • Try
      • B(E);
      • Threat
        • P(D)
      • Vars
        • Q(e);N_GUARD,XB(E)::R1(L),XP(c)
        • P(c);::B(A),XP(c)
      • Refutation
        • R(a);XP(F)
  • Actual
    • S(J);
    • Threat
      • P(D)
    • Vars
      • Q(e);XB(E)::QAR(K)+S(I)
      • Q(e);N_GUARD,XS(J)::R1(L),XP(c)
      • Q(e);::QAR(K)+S(I),XQ(e)
      • Q(e);N_GUARD::S(J),XQ(e)
      • P(c);::B(A),XP(c)
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Developed and maintained by Brian Stephenson.
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