MESON Chess Problem Database

Problem Display
PID: 174736 (3b4/3p4/1n1pp1P1/N1Nk4/1P2p1r1/6p1/6P1/B2K1Q2 w - - 0 1)

Rice, John Michael

Die Schwalbe, 2017

3b4/3p4/1n1pp1P1/N1Nk4/1P2p1r1/6p1/6P1/B2K1Q2

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sa4
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sa8
      • 2.Qc4#
    • 1...Sc8
      • 2.Qc4#
    • 1...e5
      • 2.Qf7#
  • Tries
    • 1.Scb3?
      • threat
        • 2.Qb5#
      • 1...e5
        • 2.Qf7#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...e3!
    • 1.Sa4?
      • threat
        • 2.Qb5#
      • 1...Sxa4
        • 2.Qc4#
      • 1...e5
        • 2.Qf7#
      • 1...Sc4
        • 2.Qxc4#
      • 1...e3!
    • 1.Sxe4?
      • threat
        • 2.Qd3#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Rxe4
        • 2.Qb5#
      • 1...Bf6
        • 2.Sxf6#
      • 1...e5!
    • 1.Sa6?
      • threat
        • 2.Qb5#
      • 1...e5
        • 2.Qf7#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...e3!
    • 1.Scb7?
      • threat
        • 2.Qb5#
      • 1...e5
        • 2.Qf7#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...e3!
    • 1.Sxd7?
      • threat
        • 2.Qb5#
      • 1...Sxd7
        • 2.Qc4#
      • 1...e5
        • 2.Qf7#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...e3!
    • 1.Qf5+?
      • 1...e5
        • 2.Qf7#
      • 1...exf5!
  • Keys
    • 1.Sxe6!
      • threat
        • 2.Qf5#
      • 1...Kxe6
        • 2.Qf7#
      • 1...dxe6
        • 2.Qb5#
      • 1...Bf6
        • 2.Sc7#
      • 1...Rf4
        • 2.Sxf4#
      • 1...Rg5
        • 2.Sf4#
      • 1...Sc4
        • 2.Qxc4#

This is a version of 165897

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • S(e);N_GUARD::QAB1(C)
    • S(e);N_GUARD::QAB1(C),XS(e)
    • P(g);OGATEB::QAB(C)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR2(C)
      • Vars
        • P(g);OGATEB::QAB(C)
        • S(e);N_GUARD::QAB1(C)
        • S(e);N_GUARD::QAB1(C),XS(e)
      • Refutation
        • P(b);
    • Try
      • S(G);
      • Threat
        • QAR2(C)
      • Vars
        • S(e);N_GUARD,XS(G)::QAB1(C)
        • P(g);OGATEB::QAB(C)
        • S(e);N_GUARD::QAB1(C),XS(e)
      • Refutation
        • P(b);
    • Try
      • S(G);XP(b)
      • Threat
        • QAR2(C)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XS(G)::QAB1(C)
        • R(c);SBLOCK,XS(G)::QAR2(C)
        • B(i);N_GUARD::S(G),XB(i)
      • Refutation
        • P(g);
    • Try
      • S(G);
      • Threat
        • QAR2(C)
      • Vars
        • P(g);OGATEB::QAB(C)
        • S(e);N_GUARD::QAB1(C)
        • S(e);N_GUARD::QAB1(C),XS(e)
      • Refutation
        • P(b);
    • Try
      • S(G);
      • Threat
        • QAR2(C)
      • Vars
        • P(g);OGATEB::QAB(C)
        • S(e);N_GUARD::QAB1(C)
        • S(e);N_GUARD::QAB1(C),XS(e)
      • Refutation
        • P(b);
    • Try
      • S(G);XP(h)
      • Threat
        • QAR2(C)
      • Vars
        • S(e);N_GUARD,XS(G)::QAB1(C)
        • P(g);OGATEB::QAB(C)
        • S(e);N_GUARD::QAB1(C)
        • S(e);N_GUARD::QAB1(C),XS(e)
      • Refutation
        • P(b);
    • Try
      • Q(C);CHECK
      • Vars
        • P(g);OGATEB,P_SPINP(g)::QAB(C)
      • Refutation
        • P(g);XQ(C)
  • Actual
    • S(G);XP(g)
    • Threat
      • QAR2(C)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(G)::QAB1(C)
      • P(h);SBLOCK,XS(G)::QAR2(C)
      • B(i);N_GUARD::S(G)
      • R(c);N_GUARD::S(G),XR(c)
      • R(c);N_GUARD::S(G)
      • S(e);N_GUARD::QAB1(C),XS(e)
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