MESON Chess Problem Database

Problem Display
PID: 16150 (5qN1/Q1pbpPp1/2NpP3/1RpkBB1R/2p2p2/2P2P1K/8/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

StrateGems, 2000

5qN1/Q1pbpPp1/2NpP3/1RpkBB1R/2p2p2/2P2P1K/8/8

#2

12 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Qb7#
    • 1...Qa8
      • 2.Sgxe7#
    • 1...Qb8
      • 2.Sgxe7#
    • 1...Qc8
      • 2.Sgxe7#
    • 1...dxe5
      • 2.Qxc5#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Be4#
      • 1...Kxe5
        • 2.Bg6#
      • 1...Bxe6
        • 2.Bxe6#
      • 1...dxe5
        • 2.Qxc5#
      • 1...g5!
    • 1.Bd4?
      • threat
        • 2.Sb4#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Bxc6!
    • 1.Bxf4?
      • threat
        • 2.Sb4#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Bxc6!
    • 1.Bg4?
      • threat
        • 2.Sb4#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Bxc6
        • 2.Bxg7#
      • 1...dxe5
        • 2.Qxc5#
      • 1...g5!
  • Keys
    • 1.Bxg7!
      • threat
        • 2.Sb4#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Qxg7
        • 2.Sgxe7#
      • 1...Bxc6
        • 2.Bg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XS(H)::QAB1(J)
    • Q(j);N_GUARD::S(L),XP(h)
    • P(e);N_GUARD,XB(E)::QAR1(J),XP(c)
  • Tries
    • Try
      • S(H);
      • Threat
        • B(F)
      • Vars
        • K(d);OGATEB,P-FLIGHT,XB(E)::R(G)+B(F)
        • B(g);OGATE,P_PINB(F),XP(I)::B(F),XB(g)
        • P(e);N_GUARD,SBLOCK,XB(E)::QAR1(J),XP(c)
      • Refutation
        • P(i);
    • Try
      • B(E);
      • Threat
        • S(H)
      • Vars
        • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XS(H)::QAB1(J)
      • Refutation
        • B(g);XS(H)
    • Try
      • B(E);XP(b)
      • Threat
        • S(H)
      • Vars
        • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XS(H)::QAB1(J)
      • Refutation
        • B(g);XS(H)
    • Try
      • B(F);
      • Threat
        • S(H)
      • Vars
        • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XS(H)::QAB1(J)
        • B(g);SBLOCK,XS(H)::R(G)+B(E),XP(i)
        • P(e);N_GUARD,XB(E)::QAR1(J),XP(c)
      • Refutation
        • P(i);
  • Actual
    • B(E);XP(i)
    • Threat
      • S(H)
    • Vars
      • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XS(H)::QAB1(J)
      • Q(j);N_GUARD,XB(E)::S(L),XP(h)
      • B(g);SBLOCK,XS(H)::R(G)+B(F)
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