MESON Chess Problem Database

Problem Display
PID: 183203 (r7/8/4b3/pN1R4/r1n1k1p1/p1QN1p2/3P4/K5b1 w - - 0 1)

Kintzig, Robert

Pesti Naplo, 1907

r7/8/4b3/pN1R4/r1n1k1p1/p1QN1p2/3P4/K5b1

#2

6 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qd4#
    • 1...Bd4
      • 2.Qxd4#
    • 1...Sb2
      • 2.Re5#
      • 2.Qe5#
    • 1...Sxd2
      • 2.Re5#
      • 2.Qe5#
    • 1...Se3
      • 2.Re5#
      • 2.Qe5#
    • 1...Se5
      • 2.Rxe5#
      • 2.Qxe5#
    • 1...Sb6
      • 2.Re5#
      • 2.Qe5#
    • 1...Sd6
      • 2.Re5#
      • 2.Qe5#
  • Tries
    • 1.Sd6+?
      • 1...Sxd6
        • 2.Re5#
        • 2.Qe5#
      • 1...Kxd5!
    • 1.Qf6?
      • threat
        • 2.Sc3#
      • 1...Bd4+
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Bxd5
        • 2.Qg6#
      • 1...Sxd2
        • 2.Qe5#
        • 2.Qxe6#
      • 1...Kxd5!
    • 1.Qg7?
      • threat
        • 2.Sc3#
      • 1...Bd4+
        • 2.Qxd4#
      • 1...Kxd5
        • 2.Qb7#
      • 1...Bxd5
        • 2.Qg6#
        • 2.Qh7#
      • 1...Sxd2
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...f2!
    • 1.Qxc4+?
      • 1...Bd4+
        • 2.Sc3#
      • 1...Rxc4!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Sc3#
      • 1...Bd4+
        • 2.Qxd4#
      • 1...Kxd5
        • 2.Qxa8#
      • 1...Bxd5
        • 2.Qh7#
      • 1...Sxd2
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...f2
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::QAR1(C)
    • B(a);N_GUARD,P_PINQ(C)::QAR1(C),XB(a)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(f);S_FLIGHT,XR(F)
    • Try
      • Q(C);
      • Threat
        • S(E)
      • Vars
        • B(i);N_GUARD,SBLOCK,XR(F)::QAB(C)
      • Refutation
        • K(f);S_FLIGHT,XR(F)
    • Try
      • Q(C);
      • Threat
        • S(E)
      • Vars
        • B(a);CHECK,N_GUARD::QAR1(C),XB(a)
        • K(f);OGATEB,S_FLIGHT,XR(F)::QAB(C)
        • S(e);N_GUARD,XP(B)::QAR1(C)
        • S(e);N_GUARD::QAR1(C),XS(e)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK,XS(e)
      • Vars
        • B(a);CHECK,P_SPINB(a)::S(E)
      • Refutation
        • R(d);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • S(E)
    • Vars
      • B(a);CHECK,N_GUARD::QAR1(C),XB(a)
      • K(f);OGATEB,S_FLIGHT,XR(F)::QAB(C),XR(j)
      • B(i);N_GUARD,SBLOCK,XR(F)::QAB(C)
      • S(e);N_GUARD,XP(B)::QAR1(C)
      • S(e);N_GUARD::QAR1(C),XS(e)
      • P(c);OGATEB::QAB(C)
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