MESON Chess Problem Database

Problem Display
PID: 12454 (6B1/B2P4/6R1/4P3/2PN4/1r1k1P2/Q2P4/4n2K w - - 0 1)

Mityushin, Anatoly

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

1st HM., Revista Romana de Sah, 1979

6B1/B2P4/6R1/4P3/2PN4/1r1k1P2/Q2P4/4n2K

#2

11 + 3

3750 FIDE Album (1977-1979) 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Qxc2#
    • 1...Sg2
      • 2.Qc2#
    • 1...Sxf3
      • 2.Qc2#
  • Tries
    • 1.Rg2?
      • threat
        • 2.Qxb3#
      • 1...Sxg2
        • 2.Qc2#
      • 1...Sxf3
        • 2.Qc2#
      • 1...Rb1
        • 2.Bh7#
      • 1...Rb2
        • 2.Bh7#
      • 1...Ra3
        • 2.Bh7#
        • 2.Qxa3#
      • 1...Rc3
        • 2.Bh7#
      • 1...Rb4
        • 2.Bh7#
      • 1...Rb5
        • 2.Bh7#
      • 1...Rb7
        • 2.Bh7#
      • 1...Rb8
        • 2.Bh7#
      • 1...Rb6!
    • 1.Rd6?
      • 1...Sxf3
        • 2.Qc2#
      • 1...Sc2
        • 2.Qxc2#
      • 1...Rb1
        • 2.Bh7#
      • 1...Ra3
        • 2.Bh7#
      • 1...Rc3
        • 2.Bh7#
      • 1...Rb4
        • 2.Bh7#
      • 1...Rb5
        • 2.Bh7#
      • 1...Rb6
        • 2.Bh7#
      • 1...Rb7
        • 2.Bh7#
      • 1...Rb8
        • 2.Bh7#
      • 1...Sg2
        • 2.Qc2#
      • 1...Rb2!
  • Keys
    • 1.Bh7!
      • threat
        • 2.Rc6#
      • 1...Kxc4
        • 2.Qxb3#
      • 1...Sc2
        • 2.Qxc2#
      • 1...Rb2
        • 2.Rg2#
      • 1...Rb6
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::QAB1(B),XS(a)
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD,XP(D)::QAB1(B)
  • Tries
    • Try
      • R(H);
      • Threat
        • QAR2(B),XR(b)
      • Vars
        • S(a);N_GUARD,XR(H)::QAB1(B)
        • S(a);N_GUARD,XP(D)::QAB1(B)
        • R(b);::B(K)
      • Refutation
        • R(b);
    • Try
      • R(H);
      • Vars
        • S(a);N_GUARD,XP(D)::QAB1(B)
        • S(a);N_GUARD::QAB1(B),XS(a)
        • R(b);::B(K)
        • S(a);N_GUARD::QAB1(B)
      • Refutation
        • R(b);
  • Actual
    • B(K);
    • Threat
      • B(K)+R(H)
    • Vars
      • K(c);P_SPINR(b),S_FLIGHT,XP(E)::QAB1(B),XR(b)
      • S(a);N_GUARD::QAB1(B),XS(a)
      • R(b);::B(K)+R(H)
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