MESON Chess Problem Database

Problem Display
PID: 249326 (4N3/8/2p3n1/3k1n2/4R3/6P1/2P2K2/7Q w - - 0 1)

Matrenin, Mikhail Vasilevich

Uralski Problemist, 2000

4N3/8/2p3n1/3k1n2/4R3/6P1/2P2K2/7Q

#2

6 + 4

5454 Near Snap 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qa1!
      • 1...Kxe4
        • 2.Sf6#
      • 1...Kc5
        • 2.Qa5#
      • 1...Sxg3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Se5
        • 2.Qxe5#
      • 1...Se3
        • 2.Qd4#
      • 1...Sfh4
        • 2.Qd4#
      • 1...Sd6
        • 2.Qd4#
      • 1...Sh6
        • 2.Qd4#
      • 1...Sfe7
        • 2.Qd4#
      • 1...Sg7
        • 2.Qd4#
      • 1...Sf4
        • 2.Qe5#
      • 1...Sgh4
        • 2.Qe5#
      • 1...Sge7
        • 2.Qe5#
      • 1...Sf8
        • 2.Qe5#
      • 1...Sh8
        • 2.Qe5#
      • 1...c5
        • 2.Qa8#

Anticipated by 184853(1908)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT,XR(E)::S(F)
      • K(a);P-FLIGHT::QAR2(A)
      • S(b);N_GUARD,XP(D)::QAR1(A)
      • S(b);N_GUARD::QAR1(A),XS(b)
      • S(d);N_GUARD::QAR1(A),XS(d)
      • S(b);N_GUARD::QAR1(A)
      • S(d);N_GUARD::QAR1(A)
      • P(c);OGATEB,SBLOCK::QAB(A)
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