MESON Chess Problem Database

Problem Display
PID: 166048 (5Kb1/6Rp/P3Pk2/2Pp1p1P/3P1P2/4N3/8/Q7 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Chernyavsky, Mykola Vasilovich

Die Schwalbe, 2017

5Kb1/6Rp/P3Pk2/2Pp1p1P/3P1P2/4N3/8/Q7

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...h6
      • 2.Rg6#
  • Tries
    • 1.Sg4+?
      • 1...Kxe6
        • 2.Re7#
        • 2.Qe1#
      • 1...fxg4!
    • 1.Rxg8?
      • 1...h6
        • 2.Rg6#
      • 1...Kxe6!
    • 1.Qb1?
      • threat
        • 2.Qxf5#
      • 1...Kxe6
        • 2.Qxf5#
        • 2.Qb6#
      • 1...Bxe6!
    • 1.Qa5?
      • 1...Kxe6
        • 2.Qb6#
      • 1...Bxe6
        • 2.Qd8#
      • 1...h6
        • 2.Rg6#
      • 1...Bf7!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Sxd5#
      • 1...Kxe6
        • 2.Sg4#
      • 1...Bxe6
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(d);N_GUARD::R1(I)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • P(b);XS(B)
    • Try
      • R(I);XB(e)
      • Vars
        • P(d);N_GUARD::R1(I)
      • Refutation
        • K(c);P-FLIGHT,XP(H)
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(b)
      • Refutation
        • B(e);XP(H)
    • Try
      • Q(A);
      • Vars
        • K(c);OGATEB,P-FLIGHT,XP(H)::QAR(A)
        • B(e);SBLOCK,XP(H)::QAB(A)
        • P(d);N_GUARD::R1(I)
      • Refutation
        • B(e);
  • Actual
    • Q(A);
    • Threat
      • S(B),XP(a)
    • Vars
      • K(c);P-FLIGHT,XP(H)::QAR(A)+S(B)
      • B(e);SBLOCK,XP(H)::QAB(A)
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