MESON Chess Problem Database

Problem Display
PID: 268772 (4b2N/3nPp2/2N5/1K3k2/R7/4Q3/6Pn/B7 w - - 0 1)

Moen, Kabe

Problemas, 2020

4b2N/3nPp2/2N5/1K3k2/R7/4Q3/6Pn/B7

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.g4#
    • 1...Sf3
      • 2.g4#
    • 1...Sc5
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sb6
      • 2.Qe5#
    • 1...Sf6
      • 2.Qe5#
    • 1...Sb8
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Rf4#
      • 1...Sxf6
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Kxf6!
    • 1.Bg7?
      • 1...Se5
        • 2.Qxe5#
      • 1...Sg4
        • 2.Sd4#
      • 1...Sf1
        • 2.g4#
      • 1...Sf3
        • 2.g4#
      • 1...Sc5
        • 2.Qe5#
      • 1...Sb6
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sb8
        • 2.Qe5#
      • 1...Sf8
        • 2.Qe5#
      • 1...f6!
    • 1.Qc5+?
      • 1...Ke6
        • 2.Sd8#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sxc5!
    • 1.Qh6?
      • threat
        • 2.Rf4#
      • 1...Sf6
        • 2.Qxf6#
      • 1...f6!
    • 1.Qh3+?
      • 1...Sg4
        • 2.Qxg4#
      • 1...Kg5!
  • Keys
    • 1.Rh4!
      • 1...Se5
        • 2.Qxe5#
      • 1...f6
        • 2.Sd4#
      • 1...Sf1
        • 2.g4#
      • 1...Sf3
        • 2.g4#
      • 1...Sg4
        • 2.Rh5#
      • 1...Sc5
        • 2.Qe5#
      • 1...Sb6
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sb8
        • 2.Qe5#
      • 1...Sf8
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::P(B)
    • S(c);N_GUARD,P_PINS(F)::QAR1(C)
    • S(c);N_GUARD,P_PINS(F)::QAR1(C),XS(c)
  • Tries
    • Try
      • B(A);
      • Threat
        • R1(D)
      • Vars
        • S(c);N_GUARD,P_PINS(F),XB(A)::QAR1(C)
        • S(c);N_GUARD,P_PINS(F)::QAR1(C),XS(c)
      • Refutation
        • K(b);P-FLIGHT,XB(A)
    • Try
      • B(A);
      • Vars
        • S(c);N_GUARD,P_PINS(F)::QAR1(C),XS(c)
        • S(a);SBLOCK::S(F)
        • S(a);N_GUARD::P(B)
        • S(c);N_GUARD,P_PINS(F)::QAR1(C)
      • Refutation
        • P(d);
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);S_CUTS(c),S_CUTS(c),S_FLIGHT::S(F)
        • S(c);N_GUARD,P_PINS(F),P_SPINS(c)::QAR1(C),XS(c)
      • Refutation
        • S(c);P_PINS(F),XQ(C)
    • Try
      • Q(C);
      • Threat
        • R1(D)
      • Vars
        • S(c);N_GUARD,P_PINS(F)::QAR1(C),XS(c)
      • Refutation
        • P(d);
    • Try
      • Q(C);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::QAB1(C),XS(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(D);
    • Vars
      • S(c);N_GUARD,P_PINS(F)::QAR1(C),XS(c)
      • P(d);SBLOCK::S(F)
      • S(a);N_GUARD::P(B)
      • S(a);SBLOCK::R(D)
      • S(c);N_GUARD,P_PINS(F)::QAR1(C)
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