MESON Chess Problem Database

Problem Display
PID: 241677 (8/7P/K1ppp2N/3pP3/R1pkp2R/3N4/3P1p2/5Q2 w - - 0 1)

Mlynka, Karol

Sachove umeni (Ceskoslovensky sach), 1997

8/7P/K1ppp2N/3pP3/R1pkp2R/3N4/3P1p2/5Q2

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4?
      • 1...Kxe5
        • 2.h8Q#
        • 2.h8B#
      • 1...dxe5
        • 2.Qxf2#
      • 1...c5
        • 2.Sc6#
      • 1...c3
        • 2.Sd3#
      • 1...Kc5!
    • 1.Ra3?
      • threat
        • 2.Qxf2#
      • 1...c3
        • 2.Ra4#
      • 1...cxd3!
    • 1.Rh3?
      • threat
        • 2.Qa1#
      • 1...e3
        • 2.Rh4#
      • 1...exd3!
    • 1.exd6?
      • 1...e5
        • 2.Sf5#
      • 1...c5!
    • 1.h8Q?
      • 1...dxe5
        • 2.Qxe5#
      • 1...c5!
    • 1.h8B?
      • 1...dxe5
        • 2.Bxe5#
      • 1...c5!
  • Keys
    • 1.Sf4!
      • 1...Kc5
        • 2.Sxe6#
      • 1...Kxe5
        • 2.h8Q#
        • 2.h8B#
      • 1...dxe5
        • 2.Sxe6#
      • 1...e3
        • 2.Sd3#
      • 1...c5
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);N_PINP(b),P_PINP(d)
      • Vars
        • K(c);N_SPINP(d),S_FLIGHT,XP(F)::P=Q
        • P(g);SBLOCK,XP(F)::QAB(A),XP(a)
        • P(f);SBLOCK::S(C)
        • P(b);::R(D)+S(C)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT
    • Try
      • R(D);N_PINP(b),P_PINP(d)
      • Threat
        • QAB(A),XP(a)
      • Vars
        • P(b);OGATEB::R(D)
      • Refutation
        • P(b);XS(C)
    • Try
      • R(E);
      • Threat
        • QAB(A)
      • Vars
        • P(d);OGATEB::R(E)
      • Refutation
        • P(d);XS(C)
    • Try
      • P(F);XP(g)
      • Vars
        • P(h);N_GUARD::S(H)
      • Refutation
        • P(f);
    • Try
      • P(I);
      • Vars
        • P(g);OGATE,XP(F)::QAB1(I),XP(g)
      • Refutation
        • P(f);
    • Try
      • P(I);
      • Vars
        • P(g);OGATE,XP(F)::B(I),XP(g)
      • Refutation
        • P(f);
  • Actual
    • S(C);
    • Vars
      • K(c);N_SPINP(b),S_FLIGHT::S(C),XP(h)
      • K(c);N_SPINP(b),S_FLIGHT,XP(F)::P=Q
      • P(g);SBLOCK,XP(F)::S(C),XP(h)
      • P(d);::R(E)+S(C)
      • P(f);SBLOCK::QAB(A)
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