MESON Chess Problem Database

Problem Display
PID: 35515 (8/pQp4B/5R1K/2BPk1Pp/r7/5p2/b3P3/8 w - - 0 1)

Kuzovkov, Aleksandr S

1st Prize, Neue Zurcher Zeitung, 1992

8/pQp4B/5R1K/2BPk1Pp/r7/5p2/b3P3/8

#2

8 + 7

3705 Album Russia (1992-1994) 2000
3681 FIDE Album (1992-1994) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Rf5#
    • 1...Rf4
      • 2.Re6#
    • 1...Bxd5
      • 2.Qxc7#
  • Tries
    • 1.Qc6?
      • threat
        • 2.Qe6#
      • 1...Bxd5
        • 2.Qxc7#
      • 1...Ra6!
    • 1.Qc8?
      • threat
        • 2.Qf5#
        • 2.Qe6#
      • 1...Bxd5
        • 2.Qf5#
        • 2.Qxc7#
      • 1...Ra6
        • 2.Qf5#
      • 1...Rf4
        • 2.Qe6#
      • 1...Bb1
        • 2.Qe6#
      • 1...Kxd5!
    • 1.Qb2+?
      • 1...Rd4
        • 2.Qxd4#
      • 1...Kxd5!
    • 1.exf3?
      • threat
        • 2.Rf5#
      • 1...Bxd5
        • 2.Qxc7#
      • 1...Ra6
        • 2.f4#
      • 1...Rf4
        • 2.Re6#
      • 1...Bb1!
    • 1.e3?
      • threat
        • 2.Re6#
      • 1...Bxd5
        • 2.Qxc7#
      • 1...Ra6
        • 2.Bd4#
      • 1...c6!
  • Keys
    • 1.e4!
      • threat
        • 2.Qxc7#
      • 1...Rxe4
        • 2.Rf5#
      • 1...Ra6
        • 2.Qb2#
      • 1...c6
        • 2.Qc7#
        • 2.Qe7#
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);SBLOCK::R1(E)
    • B(a);SBLOCK,XP(C)::QAB(G),XP(g)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • B(a);SBLOCK,XP(C)::QAB(G),XP(g)
      • Refutation
        • R(c);
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);P_PINR(E)::QAR1(G)
        • R(c);::QAR1(G)
        • B(a);::QAR1(G)
      • Refutation
        • K(d);P-FLIGHT,XP(C)
    • Try
      • Q(G);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(G),XR(c)
      • Refutation
        • K(d);P-FLIGHT,XP(C)
    • Try
      • P(A);XP(b)
      • Threat
        • R1(E)
      • Vars
        • B(a);SBLOCK,XP(C)::QAB(G),XP(g)
        • R(c);N_GUARD,P_PINR(E)::P(A)
        • R(c);SBLOCK::R1(E)
      • Refutation
        • B(a);
    • Try
      • P(A);
      • Threat
        • R1(E)
      • Vars
        • B(a);SBLOCK,XP(C)::QAB(G),XP(g)
        • R(c);N_GUARD,P_PINR(E)::B(B)
      • Refutation
        • P(g);
  • Actual
    • P(A);
    • Threat
      • QAB(G),XP(g)
    • Vars
      • R(c);SBLOCK,XP(A)::R1(E)
      • R(c);N_GUARD,P_PINR(E)::QAB(G)
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