MESON Chess Problem Database

Problem Display
PID: 161736 (2b1N1B1/br6/N1p1p3/n1pk1p2/8/1PBP4/KQR5/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Vahidov, Medzhnun

Problemas, 1979

2b1N1B1/br6/N1p1p3/n1pk1p2/8/1PBP4/KQR5/8

#2

9 + 9

133 The Problemist Supplement 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb3
      • 2.Sac7#
    • 1...Rb4
      • 2.Sac7#
    • 1...Rb5
      • 2.Sac7#
    • 1...Rb6
      • 2.Sac7#
    • 1...Rc7
      • 2.Saxc7#
    • 1...Rb8
      • 2.Sac7#
    • 1...Sc4
      • 2.bxc4#
  • Tries
    • 1.Bg7?
      • threat
        • 2.Qe5#
      • 1...Bb8
        • 2.Rxc5#
      • 1...Sc4
        • 2.bxc4#
      • 1...Rxg7!
    • 1.Bh8?
      • threat
        • 2.Qe5#
      • 1...Bb8
        • 2.Rxc5#
      • 1...Sc4
        • 2.bxc4#
      • 1...Rg7!
    • 1.Re2?
      • threat
        • 2.Re5#
      • 1...Sc4
        • 2.bxc4#
        • 2.dxc4#
      • 1...Bb8!
    • 1.Rh2?
      • threat
        • 2.Qg2#
      • 1...Rb4
        • 2.Sac7#
      • 1...f4
        • 2.Rh5#
      • 1...Rg7!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Qe5#
      • 1...Bb8
        • 2.Rxc5#
      • 1...Sc4
        • 2.bxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(h);N_GUARD,XP(D)::S(G)
    • R(h);N_GUARD::S(G)
    • R(h);N_GUARD::S(G),XR(h)
    • S(a);OGATE::P(D),XS(a)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAR1(B)
      • Vars
        • B(g);N_GUARD::R1(C),XP(b)
        • S(a);OGATE::P(D),XS(a)
      • Refutation
        • R(h);XB(E)
    • Try
      • B(E);
      • Threat
        • QAR1(B)
      • Vars
        • B(g);N_GUARD::R1(C),XP(b)
        • S(a);OGATE::P(D),XS(a)
      • Refutation
        • R(h);
    • Try
      • R(C);
      • Threat
        • R1(C)
      • Refutation
        • B(g);
    • Try
      • R(C);
      • Threat
        • QAB(B)
      • Vars
        • R(h);N_GUARD::S(G)
        • P(d);OGATEB::R(C)
      • Refutation
        • R(h);
  • Actual
    • B(E);
    • Threat
      • QAR1(B)
    • Vars
      • B(g);N_GUARD::R1(C),XP(b)
      • S(a);OGATE::P(D),XS(a)
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