MESON Chess Problem Database

Problem Display
PID: 193578 (1q4n1/2p2Q2/1n2R3/2pkN3/r5p1/p5K1/4P3/B7 w - - 0 1)

Hody, Janos

Pesti Naplo, 1915

1q4n1/2p2Q2/1n2R3/2pkN3/r5p1/p5K1/4P3/B7

#2

6 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Rxb6#
      • 2.Rc6#
      • 2.Rf6#
      • 2.Rg6#
      • 2.Rh6#
  • Tries
    • 1.Rd6+?
      • 1...Ke4
        • 2.Qf4#
      • 1...Kxd6!
    • 1.Re7+?
      • 1...Kd6
        • 2.Qe6#
      • 1...Ke4!
    • 1.Re8+?
      • 1...Kd6
        • 2.Qe6#
      • 1...Ke4!
    • 1.Qd7+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Sxd7!
    • 1.e4+?
      • 1...Rxe4
        • 2.Rxb6#
        • 2.Rc6#
        • 2.Rf6#
        • 2.Rg6#
        • 2.Rh6#
      • 1...Kxe4!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Se3#
      • 1...c6+
        • 2.Re5#
      • 1...Kxc4
        • 2.Rxb6#
      • 1...Rxc4
        • 2.Qf5#
      • 1...Sxc4
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR1(F)
      • Refutation
        • K(e);P-FLIGHT,XR(E)
    • Try
      • R(E);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR1(F)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(e);P-FLIGHT::QAR1(F)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT::QAB1(F)
      • Refutation
        • S(f);XQ(F)
    • Try
      • P(B);CHECK
      • Refutation
        • K(e);S_FLIGHT,XP(B)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • P(g);CHECK,SBLOCK::QAB(F)+R(E),DCHECK
      • K(e);S_FLIGHT,XS(D)::QAB(F)+R(E),XS(f)
      • R(b);SBLOCK,XS(D)::QAR2(F)
      • S(f);SBLOCK,XS(D)::P(B)
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