MESON Chess Problem Database

Problem Display
PID: 15531 (1bR5/pNn1QP2/n2P4/K2kp3/R1p1p3/1pP5/1P6/4N2B w - - 0 1)

Sovik, Stefan

Prize, Hlas l'udu, 1985

1bR5/pNn1QP2/n2P4/K2kp3/R1p1p3/1pP5/1P6/4N2B

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Bxe4#
  • Tries
    • 1.Sc2?
      • 1...Kc6
        • 2.Bxe4#
      • 1...Sb4
        • 2.Sxb4#
      • 1...Sc5
        • 2.Sb4#
      • 1...Sb5
        • 2.Se3#
      • 1...Se6
        • 2.Se3#
      • 1...Sa8
        • 2.Se3#
      • 1...Se8
        • 2.Se3#
      • 1...bxc2!
    • 1.Sd3?
      • 1...Kc6
        • 2.Bxe4#
      • 1...cxd3
        • 2.Bxe4#
      • 1...Sb4
        • 2.Sxb4#
      • 1...Sc5
        • 2.Sb4#
      • 1...Sb5
        • 2.Qxe5#
      • 1...Sa8
        • 2.Qxe5#
      • 1...Se8
        • 2.Qxe5#
      • 1...Se6!
    • 1.Qxe5+?
      • 1...Kc6
        • 2.Qb5#
      • 1...Kxe5!
    • 1.dxc7?
      • threat
        • 2.Qd6#
        • 2.Qd7#
      • 1...Kc6
        • 2.Bxe4#
      • 1...Sc5
        • 2.Qd6#
      • 1...Bxc7+!
  • Keys
    • 1.Rxc4!
      • 1...Kxc4
        • 2.Qe6#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rc5#
      • 1...Sb5
        • 2.Bxe4#
      • 1...Se6
        • 2.Bxe4#
      • 1...Sa8
        • 2.Bxe4#
      • 1...Se8
        • 2.Bxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(d);P_SPINS(h),S_FLIGHT::B(B),XP(c)
  • Tries
    • Try
      • S(A);
      • Vars
        • K(d);P_SPINS(h),S_FLIGHT::B(B),XP(c)
        • S(f);N_GUARD::S(A),XS(f)
        • S(f);N_GUARD::S(A)
        • S(h);::S(A)
      • Refutation
        • P(a);XS(A)
    • Try
      • S(A);
      • Vars
        • K(d);P_SPINS(h),S_FLIGHT::B(B),XP(c)
        • P(b);XS(A)::B(B),XP(c)
        • S(f);N_GUARD::S(A),XS(f)
        • S(f);N_GUARD::S(A)
        • S(h);::QAR1(I),XP(e)
      • Refutation
        • S(h);
    • Try
      • Q(I);CHECK,XP(e)
      • Vars
        • K(d);OGATE,P_SPINS(h),S_FLIGHT::QAB1(I)
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT,XQ(I)
    • Try
      • P(G);XS(h)
      • Threat
        • DUALS(2)
      • Vars
        • K(d);S_FLIGHT::B(B),XP(c)
        • S(f);::QAR1(I)
      • Refutation
        • B(i);CHECK,XP(G)
  • Actual
    • R(E);XP(b)
    • Vars
      • K(d);N_SPINP(c),P_SPINS(h),S_FLIGHT,XR(E)::QAB(I)
      • S(f);N_GUARD::R1(E),XS(f)
      • S(f);N_GUARD::R1(E)
      • S(h);::B(B),XP(c)
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