MESON Chess Problem Database

Problem Display
PID: 157006 (2K2B2/2p5/1k1NQ3/8/8/8/8/5B2 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Haji Mammadov-60 JT, 2014

2K2B2/2p5/1k1NQ3/8/8/8/8/5B2

#2

5 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sb5#
      • 2.Sf5#
    • 1...Kc6
      • 2.Se4#
      • 2.Sb5#
      • 2.Sf5#
      • 2.Sb7#
      • 2.Sf7#
      • 2.Se8#
  • Tries
    • 1.Se4+?
      • 1...Ka5
        • 2.Qa6#
      • 1...Ka7
        • 2.Qa6#
      • 1...c6!
    • 1.Sf5+?
      • 1...Ka5
        • 2.Qa6#
      • 1...Ka7
        • 2.Qa6#
      • 1...c6!
    • 1.Sf7+?
      • 1...Ka5
        • 2.Qa6#
      • 1...Ka7
        • 2.Qa6#
      • 1...c6!
    • 1.Se8+?
      • 1...Ka5
        • 2.Qa6#
      • 1...Ka7
        • 2.Qa6#
      • 1...c6!
    • 1.Qb3+?
      • 1...Ka5
        • 2.Sb7#
        • 2.Qb5#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ka7
        • 2.Qb7#
        • 2.Qb8#
      • 1...Kc5!
    • 1.Qc4?
      • threat
        • 2.Qxc7#
      • 1...Ka5
        • 2.Qb5#
      • 1...Ka7
        • 2.Qa6#
      • 1...cxd6
        • 2.Qc7#
      • 1...c5
        • 2.Qa6#
      • 1...c6!
  • Keys
    • 1.Sb7+!
      • 1...Ka7
        • 2.Qa6#
      • 1...c6
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • S(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • S(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • S(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C),XP(b)
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
        • P(b);XS(B)::QAB1(C)
        • P(b);SBLOCK::QAR1(C)
      • Refutation
        • P(b);
  • Actual
    • S(B);CHECK
    • Vars
      • K(a);OGATE,S_FLIGHT::QAR1(C)
      • P(b);P_SPINP(b)::B(E)
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