MESON Chess Problem Database

Problem Display
PID: 145981 (8/8/1nRpRn2/P2k2P1/p2N2p1/K2P2P1/3p4/3Q2B1 w - - 0 1)

Mariz, Gabriel

The Problemist, 2011

8/8/1nRpRn2/P2k2P1/p2N2p1/K2P2P1/3p4/3Q2B1

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4+
      • 2.dxc4#
    • 1...Se4
      • 2.dxe4#
  • Tries
    • 1.Qc2?
      • threat
        • 2.Rcxd6#
      • 1...Sc4+
        • 2.Qxc4#
        • 2.dxc4#
      • 1...Sc8
        • 2.Qa2#
        • 2.Qc4#
      • 1...Se4
        • 2.dxe4#
      • 1...Se8!
    • 1.Qe2?
      • threat
        • 2.Rexd6#
      • 1...Sc4+
        • 2.dxc4#
      • 1...Se4
        • 2.Qxe4#
        • 2.dxe4#
      • 1...Se8
        • 2.Qg2#
        • 2.Qe4#
      • 1...Sc8!
    • 1.Qb3+?
      • 1...Sc4+
        • 2.Qxc4#
        • 2.dxc4#
      • 1...axb3!
    • 1.Qf3+?
      • 1...Se4
        • 2.Qxe4#
        • 2.Qf5#
        • 2.dxe4#
      • 1...gxf3!
    • 1.Qb1?
      • threat
        • 2.Qb5#
      • 1...Sc4+
        • 2.dxc4#
      • 1...Sbd7
        • 2.Qa2#
      • 1...Se4
        • 2.dxe4#
      • 1...Sfd7!
    • 1.Qf1?
      • threat
        • 2.Qf5#
      • 1...Sc4+
        • 2.dxc4#
      • 1...Sfd7
        • 2.Qg2#
      • 1...Sbd7!
  • Keys
    • 1.Qxd2!
      • 1...Sc4+
        • 2.dxc4#
      • 1...Sbd7
        • 2.Qa2#
      • 1...Sa8
        • 2.Qa2#
      • 1...Sc8
        • 2.Qa2#
      • 1...Se4
        • 2.dxe4#
      • 1...Sh5
        • 2.Qg2#
      • 1...Sfd7
        • 2.Qg2#
      • 1...Sh7
        • 2.Qg2#
      • 1...Se8
        • 2.Qg2#
      • 1...Sg8
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(e);CHECK,OGATE::P(D),XS(e)
    • S(g);OGATE::P(D),XS(g)
  • Tries
    • Try
      • Q(A);
      • Threat
        • R1(I),XP(f)
      • Vars
        • S(g);OGATE::P(D),XS(g)
      • Refutation
        • S(g);
    • Try
      • Q(A);
      • Threat
        • R1(J),XP(f)
      • Vars
        • S(e);CHECK,OGATE::P(D),XS(e)
      • Refutation
        • S(e);
    • Try
      • Q(A);CHECK
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • P(c);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • S(e);CHECK,OGATE::P(D),XS(e)
        • S(e);N_GUARD::QAB(A)
        • S(g);OGATE::P(D),XS(g)
      • Refutation
        • S(g);
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • S(e);CHECK,OGATE::P(D),XS(e)
        • S(g);N_GUARD::QAB(A)
      • Refutation
        • S(e);
  • Actual
    • Q(A);XP(a)
    • Vars
      • S(e);CHECK,OGATE::P(D),XS(e)
      • S(e);N_GUARD::QAB(A)
      • S(g);OGATE::P(D),XS(g)
      • S(g);N_GUARD::QAB(A)
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