MESON Chess Problem Database

Problem Display
PID: 242822 (BK1R4/1Q6/N2pp3/p6p/n1nkp1N1/4p3/rrRPP3/B1b5 w - - 0 1)

Bakcsi, Gyorgy

Thema Danicum, 1990

BK1R4/1Q6/N2pp3/p6p/n1nkp1N1/4p3/rrRPP3/B1b5

#2

10 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.dxc3#
    • 1...Sab6
      • 2.Qxe4#
    • 1...Sxd2
      • 2.Rxd6#
    • 1...Sa3
      • 2.Rxd6#
    • 1...Se5
      • 2.Rxd6#
    • 1...Scb6
      • 2.Qxe4#
  • Tries
    • 1.Sc7?
      • threat
        • 2.Sxe6#
      • 1...Kc5
        • 2.Sxe6#
      • 1...Sc5
        • 2.Sb5#
      • 1...e5
        • 2.Se6#
      • 1...hxg4!
    • 1.Bxb2+?
      • 1...Bxb2
        • 2.Qxe4#
      • 1...Saxb2
        • 2.Qxe4#
      • 1...Sc3
        • 2.Bxc3#
        • 2.Qxe4#
        • 2.dxc3#
      • 1...Scxb2
        • 2.Rxd6#
        • 2.Qxe4#
      • 1...Rxb2!
    • 1.Qb3?
      • threat
        • 2.Rxc4#
      • 1...Sxd2
        • 2.Rxd6#
      • 1...Sc3
        • 2.dxc3#
      • 1...Sab6
        • 2.Qc3#
      • 1...Sa3
        • 2.Rxd6#
      • 1...Se5
        • 2.Rxd6#
      • 1...Scb6
        • 2.Qxe3#
      • 1...hxg4!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Rxc4#
      • 1...Sxd2
        • 2.Rxd6#
      • 1...Sc3
        • 2.dxc3#
      • 1...Sab6
        • 2.Qc5#
      • 1...Sa3
        • 2.Rxd6#
      • 1...Se5
        • 2.Rxd6#
      • 1...Scb6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(e);N_SPINR(c),OGATE::P(C),XS(e)
    • S(e);N_PINQ(G)::QAR1(G),XP(h)
    • S(f);N_GUARD,XP(C)::R(J),XP(k)
    • S(f);N_GUARD::R(J),XP(k)
    • S(f);N_PINQ(G)::QAR1(G),XP(h)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F),XP(l)
      • Vars
        • K(g);N_SPINP(k),N_SPINR(c),P_SPINS(f),S_FLIGHT::S(F),XP(l)
        • S(e);SBLOCK::S(F)
        • P(l);::S(F)
      • Refutation
        • P(j);XS(E)
    • Try
      • B(A);CHECK,N_SPINQ(G),XR(c)
      • Vars
        • B(a);XB(A)::QAR1(G),XP(h)
        • S(e);XB(A)::QAR1(G),XP(h)
      • Refutation
        • R(b);P_PINQ(G),XB(A)
    • Try
      • Q(G);
      • Threat
        • R1(B),XS(f)
      • Vars
        • S(f);N_GUARD,XP(C)::R(J),XP(k)
        • S(e);N_SPINR(c),OGATE::P(C),XS(e)
        • S(e);N_PINQ(G)::QAB1(G)
        • S(f);N_GUARD::R(J),XP(k)
        • S(f);N_PINQ(G)::QAB1(G),XP(d)
      • Refutation
        • P(j);XS(E)
  • Actual
    • Q(G);
    • Threat
      • R1(B),XS(f)
    • Vars
      • S(f);N_GUARD,XP(C)::R(J),XP(k)
      • S(e);N_SPINR(c),OGATE::P(C),XS(e)
      • S(e);N_PINQ(G)::QAB1(G)
      • S(f);N_GUARD::R(J),XP(k)
      • S(f);N_PINQ(G)::QAB1(G)
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