MESON Chess Problem Database

Problem Display
PID: 163648 (8/6p1/3p4/1P1k2NN/pK3R1r/1nBPp3/Bp4nr/5R1Q w - - 0 1)

Dyachuk, Vasyl Vasilovich

idee & form, 1995

8/6p1/3p4/1P1k2NN/pK3R1r/1nBPp3/Bp4nr/5R1Q

#2

10 + 10

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Rf5#
    • 1...Rxf4+
      • 2.Sxf4#
    • 1...Rxh5
      • 2.Rf5#
    • 1...a3
      • 2.Bxb3#
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sc7#
      • 1...Rxf4+
        • 2.Shxf4#
        • 2.Sexf4#
      • 1...Kxe6!
    • 1.Re4?
      • threat
        • 2.Rf5#
      • 1...Rxe4+
        • 2.dxe4#
      • 1...Sf4
        • 2.Re5#
      • 1...g6
        • 2.Sf6#
      • 1...Rf4!
    • 1.Rg4?
      • threat
        • 2.Sf4#
        • 2.Rf5#
      • 1...Rxh1
        • 2.Rf5#
      • 1...Rxh5
        • 2.Rf5#
      • 1...g6
        • 2.Sf4#
        • 2.Sf6#
      • 1...Rxg4+!
    • 1.Rxh4?
      • threat
        • 2.Sf4#
        • 2.Rf5#
      • 1...Rxh1
        • 2.Rf5#
      • 1...g6
        • 2.Sf4#
        • 2.Sf6#
      • 1...Rxh4+!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rf5#
      • 1...Rxc4+
        • 2.dxc4#
      • 1...Sd4
        • 2.Rc5#
      • 1...Re4
        • 2.dxe4#
      • 1...Rf4
        • 2.Sxf4#
      • 1...g6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(g);N_PINR(G)::R(G)
    • R(g);CHECK,XR(G)::S(J),XR(g)
    • R(g);N_PINR(G),XS(J)::R(G)
    • P(f);N_GUARD::B(C),XS(d)
    • P(j);N_GUARD::S(J)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I)
      • Refutation
        • K(h);N_SPINS(b),P_SPINS(d),S_FLIGHT,XS(I)
    • Try
      • R(G);N_PINS(b),P_PINS(d)
      • Threat
        • R(A)
      • Vars
        • R(g);CHECK,OGATE,XR(G)::P(E),XR(g)
        • S(b);N_PINR(G)::QAB(B)+R(G),DCHECK
        • P(j);N_GUARD::S(J)
      • Refutation
        • R(g);
    • Try
      • R(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);N_SPINS(b),P_SPINS(d),XQ(B)::R(A)
        • R(g);N_PINR(G),XS(J)::R(A)
      • Refutation
        • R(g);CHECK,XR(G)
    • Try
      • R(G);N_SPINR(G),XR(g)
      • Threat
        • DUALS(2)
      • Vars
        • R(c);N_SPINS(b),P_SPINS(d),XQ(B)::R(A)
      • Refutation
        • R(c);CHECK,XR(G)
  • Actual
    • R(G);
    • Threat
      • R(A)
    • Vars
      • R(g);CHECK,OGATE,XR(G)::P(E),XR(g)
      • S(d);N_PINR(G)::B(C)+R(G),DCHECK
      • R(g);N_SPINS(b),OGATE::P(E),XR(g)
      • R(g);N_GUARD::S(J),XR(g)
      • P(j);N_GUARD::S(J)
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