MESON Chess Problem Database

Problem Display
PID: 150933 (nN6/P1p1p3/N1P1Qp2/pkB1pR2/p3p2R/4P3/3P1P2/7K w - - 0 1)

Labai, Zoltan

Comm., Die Schwalbe, 2013

nN6/P1p1p3/N1P1Qp2/pkB1pR2/p3p2R/4P3/3P1P2/7K

#2

12 + 9

23 Die Schwalbe 2015

SOLUTION

  • SOUND
  • Sets
    • 1...a3
      • 2.Qb3#
  • Tries
    • 1.Kg1?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Kg2?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Kh2?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Sd7?
      • 1...Kxa6
        • 2.Qc4#
      • 1...Sb6
        • 2.Sxc7#
      • 1...a3!
    • 1.Ba3?
      • 1...Sb6
        • 2.Sxc7#
      • 1...Kb6!
    • 1.Bd4?
      • threat
        • 2.Qd5#
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Bxe7?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6
        • 2.Sxc7#
      • 1...Kb6!
    • 1.Rh2?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Rh3?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Rhf4?
      • 1...exf4
        • 2.Bd4#
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Rg4?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Rhh5?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Rh6?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Rh7?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Rh8?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.Rxe5?
      • 1...a3
        • 2.Qb3#
      • 1...Sb6
        • 2.Sxc7#
      • 1...f5
        • 2.Bd4#
      • 1...fxe5!
    • 1.Qd5?
      • threat
        • 2.Bd4#
      • 1...a3
        • 2.Qb3#
      • 1...Sb6
        • 2.Sxc7#
      • 1...e6!
    • 1.f3?
      • 1...exf3
        • 2.Qc4#
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
    • 1.f4?
      • 1...exf4
        • 2.Bd4#
      • 1...exf4 ep
        • 2.Qc4#
      • 1...a3
        • 2.Qb3#
      • 1...Sb6!
  • Keys
    • 1.d4!
      • 1...exd4
        • 2.Bxd4#
      • 1...exd4 ep
        • 2.Qc4#
      • 1...a3
        • 2.Qb3#
      • 1...Sb6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::QAR2(J)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • S(L);
      • Vars
        • K(d);S_FLIGHT,XS(H)::QAB(J)
        • S(i);N_GUARD::S(H),XP(g)
      • Refutation
        • P(a);
    • Try
      • B(F);P_PINP(e)
      • Vars
        • S(i);N_GUARD,SBLOCK::S(H),XP(g)
      • Refutation
        • K(d);N_SPINP(e),P-FLIGHT
    • Try
      • B(F);P_PINP(e)
      • Threat
        • QAR2(J)
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • B(F);P_PINP(e),XP(h)
      • Vars
        • P(a);N_GUARD::QAR2(J)
        • S(i);N_GUARD,SBLOCK::S(H),XP(g)
      • Refutation
        • K(d);N_SPINP(e),P-FLIGHT
    • Try
      • R(E);
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • R(E);
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • R(E);
      • Vars
        • P(e);OGATEB,XR(E)::R(G)+B(F)
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • R(E);
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • R(E);
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • R(E);
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • R(E);
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • R(E);
      • Vars
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • R(G);XP(e)
      • Vars
        • P(a);N_GUARD::QAR2(J)
        • S(i);N_GUARD::S(H),XP(g)
        • P(f);N_GUARD::R(G)+B(F)
      • Refutation
        • P(f);XR(G)
    • Try
      • Q(J);
      • Threat
        • QAR(J)+B(F)
      • Vars
        • P(a);N_GUARD::QAR2(J)
        • S(i);N_GUARD::S(H),XP(g)
      • Refutation
        • P(h);
    • Try
      • P(C);
      • Vars
        • P(b);XP(C)::QAB1(J)
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
    • Try
      • P(C);
      • Vars
        • P(e);OGATEB,XP(C)::R(G)+B(F)
        • P(b);EP,XP(C)::QAB1(J)
        • P(a);N_GUARD::QAR2(J)
      • Refutation
        • S(i);
  • Actual
    • P(B);
    • Vars
      • P(e);OGATE,XP(B)::R(G)+B(F),XP(e)
      • P(b);EP,XP(B)::QAB1(J)
      • P(a);N_GUARD::QAR2(J)
      • S(i);N_GUARD::S(H),XP(g)
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