MESON Chess Problem Database

Problem Display
PID: 229406 (3R4/1N1nKn2/1N2pp2/r1r4B/4k1P1/3p4/1BR1bQp1/8 w - - 0 1)

Juricek, Stanislav

Sachova skladba, 2003

3R4/1N1nKn2/1N2pp2/r1r4B/4k1P1/3p4/1BR1bQp1/8

#2

9 + 10

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Rxc4#
    • 1...Rb5
      • 2.Rc4#
    • 1...Re5
      • 2.Rc4#
    • 1...Rf5
      • 2.Rc4#
    • 1...Rg5
      • 2.Rc4#
    • 1...Rxh5
      • 2.Rc4#
    • 1...Bf3
      • 2.Qd4#
    • 1...Sde5
      • 2.Rd4#
    • 1...Sfe5
      • 2.Sd6#
    • 1...Sg5
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sh6
      • 2.Sd6#
    • 1...Sxd8
      • 2.Sd6#
    • 1...Sh8
      • 2.Sd6#
  • Tries
    • 1.Sxc5+?
      • 1...Sxc5
        • 2.Rc4#
      • 1...Rxc5!
    • 1.Bc1?
      • threat
        • 2.Qe3#
        • 2.Qf4#
      • 1...Ke5
        • 2.Qe3#
        • 2.Qf4#
      • 1...Bxg4
        • 2.Qf4#
      • 1...dxc2
        • 2.Qe3#
      • 1...g1Q
        • 2.Qf4#
      • 1...g1B
        • 2.Qf4#
      • 1...Rf5
        • 2.Qe3#
      • 1...Bf3
        • 2.Qe3#
      • 1...e5
        • 2.Qe3#
      • 1...d2!
    • 1.Bg6+?
      • 1...Rf5
        • 2.Rc4#
      • 1...f5!
  • Keys
    • 1.Be5!
      • threat
        • 2.Qf4#
      • 1...Kxe5
        • 2.Qe3#
      • 1...Rxe5
        • 2.Rc4#
      • 1...Sdxe5
        • 2.Rd4#
      • 1...Sfxe5
        • 2.Sd6#
      • 1...dxc2
        • 2.Qxe2#
      • 1...fxe5
        • 2.Bg6#
      • 1...d2
        • 2.Qxe2#
      • 1...Bf3
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 10
  • Sets
    • R(f);N_GUARD::R(B),XR(f)
    • R(f);N_GUARD::R(B)
    • R(f);N_GUARD,XB(E)::R(B)
    • B(a);SBLOCK::QAR1(C)
    • S(i);OGATE,SBLOCK::R1(I)
    • S(j);N_GUARD::S(G)
    • S(j);N_GUARD::S(G),XS(j)
    • S(j);N_GUARD,XR(I)::S(G)
  • Tries
    • Try
      • S(G);CHECK,XR(f)
      • Vars
        • S(i);XS(G)::R(B)
      • Refutation
        • R(e);XS(G)
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XP(D)::QAR1(C)
        • P(c);XR(B)::QAR1(C)
        • P(b);::QAR1(C)
        • R(f);::QAR1(C)
        • B(a);::QAR1(C)
        • P(g);SBLOCK::QAR1(C)
      • Refutation
        • P(c);
    • Try
      • B(E);CHECK
      • Vars
        • R(f);P_SPINR(f)::R(B)
      • Refutation
        • P(h);P_SPINP(h)
  • Actual
    • B(A);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);P-FLIGHT,XB(A)::QAR2(C)
      • R(f);N_GUARD,SBLOCK,XB(A)::R(B)
      • S(i);OGATE,SBLOCK,XB(A)::R1(I)
      • S(j);N_GUARD,SBLOCK,XB(A)::S(G)
      • P(c);N_GUARD,XR(B)::QAR2(C),XB(a)
      • P(h);N_GUARD,SBLOCK,XB(A)::B(E)
      • P(c);N_GUARD::QAR2(C),XB(a)
      • B(a);SBLOCK::QAR1(C)
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