MESON Chess Problem Database

Problem Display
PID: 80491 (8/8/1p1N2Np/1P1k1P2/3p2nr/QP1r1R2/1KB5/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

StrateGems, 2008

8/8/1p1N2Np/1P1k1P2/3p2nr/QP1r1R2/1KB5/8

#2

9 + 7

15148 Sadier Collection 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Be4#
    • 1...Rxb3+
      • 2.Bxb3#
    • 1...Rc3
      • 2.Be4#
    • 1...Rxf3
      • 2.Be4#
    • 1...Se5
      • 2.Se7#
  • Tries
    • 1.Qa8+?
      • 1...Kxd6
        • 2.Qc6#
      • 1...Kc5!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qa8#
      • 1...Rxb3+
        • 2.Qxb3#
      • 1...Kxe4
        • 2.Qa8#
      • 1...Rc3
        • 2.Qd6#
      • 1...Se5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(a);OGATE::B(B)
    • R(a);CHECK,OGATE,XP(D)::B(B),XR(a)
    • R(a);OGATE,XR(E)::B(B)
    • S(c);SBLOCK::S(I)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XS(H)::QAR1(C)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • S(H);
    • Threat
      • QAB(C)
    • Vars
      • R(a);CHECK,OGATE,XP(D)::QAB(C),XR(a)
      • K(e);P_SPINR(a),S_FLIGHT,XS(H)::QAB(C)
      • R(a);::QAR1(C)
      • S(c);N_GUARD::S(H)
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