MESON Chess Problem Database

Problem Display
PID: 110197 (2N2R1n/1P2N2B/r3P1p1/R1p1p1B1/3PkPp1/2P5/2P1KP2/nQ2b2r w - - 0 1)

Labai, Zoltan

1st HM., Hlas l'udu, 1985

2N2R1n/1P2N2B/r3P1p1/R1p1p1B1/3PkPp1/2P5/2P1KP2/nQ2b2r

#2

15 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa5
      • 2.Sd6#
    • 1...Rd6
      • 2.Sxd6#
    • 1...Ra7
      • 2.Sd6#
    • 1...Ra8
      • 2.Sd6#
      • 2.bxa8Q#
      • 2.bxa8B#
    • 1...Bd2
      • 2.Qxh1#
    • 1...Bxf2
      • 2.Qxh1#
    • 1...Sxc2
      • 2.Qxc2#
    • 1...Sb3
      • 2.cxb3#
    • 1...Sf7
      • 2.Bxg6#
    • 1...g3
      • 2.f3#
    • 1...cxd4
      • 2.Rxe5#
    • 1...c4
      • 2.Rxe5#
    • 1...exf4
      • 2.Rxf4#
  • Tries
    • 1.Rxa6?
      • threat
        • 2.Sd6#
      • 1...Sf7
        • 2.Bxg6#
      • 1...Bxc3!
    • 1.Qa2?
      • threat
        • 2.Qd5#
      • 1...Rd6
        • 2.Sxd6#
      • 1...c4
        • 2.Rxe5#
      • 1...Sb3!
    • 1.Qd1?
      • threat
        • 2.Qd3#
      • 1...Bd2
        • 2.Qxh1#
      • 1...c4
        • 2.Rxe5#
      • 1...Rh3!
    • 1.Qb3?
      • threat
        • 2.Qd5#
      • 1...Rd6
        • 2.Sxd6#
      • 1...c4
        • 2.Rxe5#
      • 1...Sxb3!
    • 1.Qb5?
      • threat
        • 2.Qd3#
      • 1...c4
        • 2.Qd5#
        • 2.Qxe5#
      • 1...Rh3!
    • 1.b8Q?
      • threat
        • 2.Qxe5#
      • 1...exd4
        • 2.Qe5#
      • 1...exf4
        • 2.Rxf4#
        • 2.Qxf4#
        • 2.Qe5#
      • 1...Rd6
        • 2.Sxd6#
      • 1...Sf7
        • 2.Bxg6#
      • 1...Rxe6!
  • Keys
    • 1.fxe5!
      • threat
        • 2.Rf4#
      • 1...Bd2
        • 2.Qxh1#
      • 1...Sf7
        • 2.Bxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • R(h);N_GUARD,XR(H)::S(N)
    • R(h);N_GUARD::S(N),XR(h)
    • R(h);N_GUARD::S(N)
    • B(b);OGATE::QAB(A),XR(c)
    • B(b);OGATE,XP(D)::QAB(A),XR(c)
    • S(a);OGATE,P_SPINS(a),XP(B)::QAB(A),XS(a)
    • S(a);OGATE::QAB(A)+P(B),XS(a)
    • S(j);N_GUARD::B(M),XP(i)
    • P(e);N_GUARD::P(D)
    • P(f);OGATE,XP(F)::R1(H),XP(g)
    • P(f);OGATE::R1(H),XP(g)
    • P(g);OGATE,XP(G)::R1(O),XP(g)
  • Tries
    • Try
      • R(H);XR(h)
      • Threat
        • S(N)
      • Vars
        • S(j);N_GUARD::B(M),XP(i)
      • Refutation
        • B(b);XP(E)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • R(h);N_GUARD::S(N),XR(h)
        • P(f);OGATE::R1(H),XP(g)
      • Refutation
        • S(a);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • B(b);OGATE::QAB(A),XR(c)
        • P(f);OGATE::R1(H),XP(g)
      • Refutation
        • R(c);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • R(h);N_GUARD::S(N),XR(h)
        • P(f);OGATE::R1(H),XP(g)
      • Refutation
        • S(a);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • R(c);
    • Try
      • P(K);
      • Threat
        • QAR1(K),XP(g)
      • Vars
        • P(g);XP(F)::QAR1(K)
        • R(h);N_GUARD::S(N),XR(h)
        • S(j);N_GUARD::B(M),XP(i)
      • Refutation
        • R(h);XP(J)
  • Actual
    • P(G);XP(g)
    • Threat
      • R1(O)
    • Vars
      • B(b);OGATE::QAB(A),XR(c)
      • S(j);N_GUARD::B(M),XP(i)
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