MESON Chess Problem Database

Problem Display
PID: 157084 (2bn3R/1p1k1p2/1P1p1P2/8/K5P1/8/7Q/8 w - - 0 1)

Adam, Franz

Reichspost, 1918

2bn3R/1p1k1p2/1P1p1P2/8/K5P1/8/7Q/8

#2

6 + 6

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd8+?
      • 1...Kc6
        • 2.Qxd6#
      • 1...Ke6
        • 2.Rxd6#
        • 2.Qxd6#
      • 1...Kxd8!
    • 1.Qe5?
      • threat
        • 2.Qe8#
      • 1...Kc6
        • 2.Qb5#
      • 1...Se6
        • 2.Qb5#
      • 1...d5
        • 2.Qxd5#
      • 1...dxe5!
    • 1.Qc2?
      • 1...Ke6
        • 2.Qf5#
      • 1...Sc6
        • 2.Qf5#
      • 1...Se6
        • 2.Qxc8#
      • 1...d5!
    • 1.Qe2?
      • threat
        • 2.Qe8#
      • 1...Kc6
        • 2.Qb5#
      • 1...Se6
        • 2.Qb5#
      • 1...d5!
  • Keys
    • 1.Qh5!
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qf5#
      • 1...d5
        • 2.Qxd5#
      • 1...Sc6
        • 2.Qf5#
      • 1...Se6
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK,XS(f)
      • Vars
        • K(c);S_FLIGHT::QAR1(A),XP(a)
      • Refutation
        • K(c);P-FLIGHT,XR(F)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
        • S(f);N_GUARD,SBLOCK::QAB(A)
        • P(a);OGATEB::QAR2(A),XP(a)
      • Refutation
        • P(a);XQ(A)
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
        • S(f);N_GUARD,SBLOCK::QAB(A)
        • S(f);SBLOCK::QAB1(A),XB(e)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
        • S(f);N_GUARD,SBLOCK::QAB(A)
      • Refutation
        • P(a);
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT::QAB1(A)
      • P(a);OGATEB::QAR2(A),XP(a)
      • S(f);N_GUARD,SBLOCK::QAB(A)
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