MESON Chess Problem Database

Problem Display
PID: 73840 (B4Q2/4N3/nRr1P3/8/P1kPp3/4K1p1/N3b1R1/6nr w - - 0 1)

Paslack, Rainer

Comm., Freie Presse, 1992

B4Q2/4N3/nRr1P3/8/P1kPp3/4K1p1/N3b1R1/6nr

#2

10 + 8

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb6
      • 2.Bd5#
    • 1...Rxe6
      • 2.Bd5#
    • 1...Rc7
      • 2.Bd5#
    • 1...Rc8
      • 2.Bd5#
    • 1...Bf1
      • 2.Rc2#
    • 1...Bf3
      • 2.Rc2#
    • 1...Bg4
      • 2.Rc2#
    • 1...Bh5
      • 2.Rc2#
    • 1...Sb4
      • 2.Rxb4#
    • 1...Sc5
      • 2.Rb4#
    • 1...Sc7
      • 2.Rb4#
    • 1...Sb8
      • 2.Rb4#
  • Tries
    • 1.Sxc6?
      • threat
        • 2.Sa5#
        • 2.Se5#
      • 1...Kd5
        • 2.Sa5#
        • 2.Se5#
      • 1...Sb4
        • 2.Sa5#
      • 1...Sf3
        • 2.Sa5#
      • 1...Rh5!
    • 1.Bxc6?
      • threat
        • 2.Bd5#
      • 1...Sb4
        • 2.Rxb4#
      • 1...Sc7
        • 2.Rb4#
      • 1...Rh5!
    • 1.Qc8?
      • threat
        • 2.Qxa6#
      • 1...Rxc8
        • 2.Bd5#
      • 1...Sb4
        • 2.Rxb4#
      • 1...Rc5
        • 2.Bd5#
      • 1...Sc5
        • 2.Rb4#
      • 1...Sc7
        • 2.Rb4#
      • 1...Sb8
        • 2.Rb4#
      • 1...Rh5!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qc1#
      • 1...Rxb6
        • 2.Bd5#
      • 1...Bxf1
        • 2.Rc2#
      • 1...Sb4
        • 2.Rxb4#
      • 1...Bd3
        • 2.Rc2#
      • 1...Sf3
        • 2.Qxe2#
      • 1...Sh3
        • 2.Qxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • R(h);OGATE,XR(F)::B(I)
    • R(h);OGATE,XP(G)::B(I)
    • R(h);OGATE::B(I)
    • B(c);OGATE::R(B)
    • S(g);N_GUARD::R1(F),XS(g)
    • S(g);N_GUARD::R1(F)
  • Tries
    • Try
      • S(H);XR(h)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);::S(H)
        • S(a);::S(H)
      • Refutation
        • R(b);
    • Try
      • B(I);XR(h)
      • Threat
        • B(I)
      • Vars
        • S(g);N_GUARD::R1(F),XS(g)
        • S(g);N_GUARD::R1(F)
      • Refutation
        • R(b);
    • Try
      • Q(J);P_PINR(h)
      • Threat
        • QAB(J),XS(g)
      • Vars
        • R(h);N_SPINR(h),OGATE,XQ(J)::B(I)
        • S(g);N_GUARD::R1(F),XS(g)
        • R(h);OGATE::B(I)
        • S(g);N_GUARD,N_SPINR(h)::R1(F)
        • S(g);N_GUARD::R1(F)
      • Refutation
        • R(b);
  • Actual
    • Q(J);P_PINB(c)
    • Threat
      • QAR(J)
    • Vars
      • R(h);OGATE,XR(F)::B(I)
      • B(c);N_SPINB(c),OGATE,XQ(J)::R(B)
      • S(g);N_GUARD::R1(F),XS(g)
      • B(c);OGATE::R(B)
      • S(a);N_GUARD::QAB(J),XB(c)
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