MESON Chess Problem Database

Problem Display
PID: 150175 (8/8/8/8/8/4P3/3R4/knK1Q3 w - - 0 1)

Abdullayev, Suleyman

Shakhmatnaya kompozitsiya, 2012

8/8/8/8/8/4P3/3R4/knK1Q3

#2

4 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Re2?
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sd2!
    • 1.Rf2?
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sd2!
    • 1.Rg2?
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sd2!
    • 1.Rh2?
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sd2!
    • 1.Qh4?
      • 1...Sxd2
        • 2.Qa4#
      • 1...Sa3
        • 2.Qf6#
        • 2.Qd4#
        • 2.Qh8#
      • 1...Sc3!
    • 1.Qf1?
      • 1...Sxd2
        • 2.Qa6#
      • 1...Sa3
        • 2.Qf6#
      • 1...Sc3!
    • 1.Qh1?
      • 1...Sxd2
        • 2.Qa8#
      • 1...Sa3
        • 2.Qh8#
      • 1...Sc3!
    • 1.Qe2?
      • threat
        • 2.Ra2#
      • 1...Sxd2
        • 2.Qa6#
      • 1...Sc3!
  • Keys
    • 1.Rc2!
      • 1...Sd2
        • 2.Kxd2#
      • 1...Sa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • S(b);N_GUARD::QAB(B)
        • S(b);N_GUARD::QAB(B),XS(b)
      • Refutation
        • S(b);
    • Try
      • R(C);
      • Vars
        • S(b);N_GUARD::QAB(B)
        • S(b);N_GUARD::QAB(B),XS(b)
      • Refutation
        • S(b);
    • Try
      • R(C);
      • Vars
        • S(b);N_GUARD::QAB(B)
        • S(b);N_GUARD::QAB(B),XS(b)
      • Refutation
        • S(b);
    • Try
      • R(C);
      • Vars
        • S(b);N_GUARD::QAB(B)
        • S(b);N_GUARD::QAB(B),XS(b)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Vars
        • S(b);N_GUARD,XR(C)::QAR(B)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Vars
        • S(b);N_GUARD,XR(C)::QAR(B)
        • S(b);N_GUARD::QAB(B)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Vars
        • S(b);N_GUARD,XR(C)::QAB(B)
        • S(b);N_GUARD::QAB(B)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Threat
        • R1(C)
      • Vars
        • S(b);N_GUARD,XR(C)::QAR(B)
      • Refutation
        • S(b);
  • Actual
    • R(C);
    • Vars
      • S(b);::QAR(B)+K(A),XS(b)
      • S(b);N_GUARD::QAB(B)
      • S(b);N_GUARD::QAB(B),XS(b)
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