MESON Chess Problem Database

Problem Display
PID: 274735 (1K1N4/8/1p3Pn1/3k4/2p5/4QP2/3p3B/3r4 w - - 0 1)

Mantta, Teppo

Meson, 2024

1K1N4/8/1p3Pn1/3k4/2p5/4QP2/3p3B/3r4

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sh4
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Se7
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
    • 1...Sh8
      • 2.Qe5#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Qd4#
        • 2.Qe6#
      • 1...Kd6
        • 2.Qd4#
        • 2.Qe6#
      • 1...Re1
        • 2.Qd4#
      • 1...Sf4
        • 2.Qd4#
      • 1...Se5
        • 2.Qd4#
      • 1...Sf8
        • 2.Qd4#
      • 1...Rxg1!
    • 1.Qg5+?
      • 1...Se5
        • 2.Qxe5#
      • 1...Kd4!
  • Keys
    • 1.Bd6!
      • 1...Kxd6
        • 2.Qd4#
      • 1...c3
        • 2.Qd3#
      • 1...Ra1
        • 2.Qxd2#
      • 1...Rb1
        • 2.Qxd2#
      • 1...Rc1
        • 2.Qxd2#
      • 1...Re1
        • 2.Qxd2#
      • 1...Rf1
        • 2.Qxd2#
      • 1...Rg1
        • 2.Qxd2#
      • 1...Rh1
        • 2.Qxd2#
      • 1...Sf4
        • 2.Qe5#
      • 1...Sh4
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Se7
        • 2.Qe5#
      • 1...Sf8
        • 2.Qe5#
      • 1...Sh8
        • 2.Qe5#
      • 1...b5
        • 2.Qc5#

This is a version of 158393

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::QAR1(B)
    • S(f);N_GUARD::QAR1(B),XS(f)
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::QAR1(B)
        • S(f);::QAR1(B)
      • Refutation
        • R(a);XB(A)
    • Try
      • Q(B);CHECK
      • Vars
        • S(f);N_GUARD,P_SPINS(f)::QAR1(B),XS(f)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(d);N_GUARD,P-FLIGHT,XB(A)::QAR2(B)
      • P(c);N_GUARD::QAR2(B)
      • R(a);N_GUARD::QAR(B),XP(b)
      • S(f);N_GUARD::QAR1(B)
      • S(f);N_GUARD::QAR1(B),XS(f)
      • P(e);N_GUARD::QAR1(B)
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