MESON Chess Problem Database

Problem Display
PID: 182353 (8/5b2/8/7N/1B6/6Q1/4Ppn1/3RrknK w - - 0 1)

Merenyi, Lajos

Magyar Sakklap, 1906

8/5b2/8/7N/1B6/6Q1/4Ppn1/3RrknK

#2

6 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe2
      • 2.Qd3#
    • 1...Sxe2
      • 2.Qxg2#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Sg3#
      • 1...Sxe2
        • 2.Qxg2#
      • 1...Bxh5!
    • 1.Qh3?
      • threat
        • 2.Sg3#
      • 1...Kxe2
        • 2.Qd3#
      • 1...Sxe2
        • 2.Qxg2#
      • 1...Bxh5!
    • 1.Qg4?
      • threat
        • 2.Sg3#
      • 1...Sxe2
        • 2.Qxg2#
      • 1...Bxh5!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Sg3#
      • 1...Kxe2
        • 2.Qd3#
      • 1...Sxe2
        • 2.Qxg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINR(a),OGATEB,S_FLIGHT,XP(C)::QAB1(D)
    • S(c);SBLOCK,XP(C)::QAB1(D),XS(e)
  • Tries
    • Try
      • Q(D);P_PINP(d)
      • Threat
        • S(F)
      • Vars
        • S(c);SBLOCK,XP(C)::QAB1(D),XS(e)
      • Refutation
        • B(f);XS(F)
    • Try
      • Q(D);P_PINS(e)
      • Threat
        • S(F)
      • Vars
        • K(b);N_SPINR(a),N_SPINS(e),OGATEB,S_FLIGHT,XP(C)::QAB1(D)
        • S(c);SBLOCK,XP(C)::QAB1(D),XS(e)
      • Refutation
        • B(f);XS(F)
    • Try
      • Q(D);
      • Threat
        • S(F)
      • Vars
        • S(c);SBLOCK,XP(C)::QAB1(D),XS(e)
      • Refutation
        • B(f);XS(F)
  • Actual
    • Q(D);
    • Threat
      • S(F)
    • Vars
      • K(b);N_SPINR(a),OGATEB,S_FLIGHT,XP(C)::QAB1(D)
      • S(c);SBLOCK,XP(C)::QAB1(D),XS(e)
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