MESON Chess Problem Database

Problem Display
PID: 75327 (8/8/b1pr2p1/1ppk4/2R1R3/3P4/1P4K1/3Q4 w - - 0 1)

Sardotsch, Nicolo

Teplitz-Schonauer Anzeiger, 1912

(First published on Sat Jul 6 1912)

8/8/b1pr2p1/1ppk4/2R1R3/3P4/1P4K1/3Q4

#2

6 + 7

6169 Dal classico agli albori del moderno compositori scacchisti 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Qh5+?
      • 1...g5
        • 2.Qxg5#
      • 1...gxh5!
    • 1.Qg1?
      • threat
        • 2.Rxc5#
        • 2.Qxc5#
      • 1...Re6
        • 2.Qxc5#
      • 1...Rf6
        • 2.Qxc5#
      • 1...Rd7
        • 2.Qxc5#
      • 1...Rd8
        • 2.Qxc5#
      • 1...bxc4!
  • Keys
    • 1.d4!
      • threat
        • 2.dxc5#
      • 1...Kxc4
        • 2.d5#
      • 1...Kxe4
        • 2.Qf3#
      • 1...bxc4
        • 2.Re5#
      • 1...cxd4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • P(g);P_SPINP(g)::QAR(A),XP(g)
      • Refutation
        • P(g);XQ(A)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);::QAR1(A),XP(b)
      • Refutation
        • P(a);XR(E)
  • Actual
    • P(D);
    • Threat
      • QAR(A)+P(D),XP(b)
    • Vars
      • K(c);OGATE,S_FLIGHT,XR(E)::R(F)+P(D)
      • K(c);OGATEB,S_FLIGHT,XR(F)::QAB1(A)
      • P(a);SBLOCK,XR(E)::R1(F)
      • P(b);OGATE,P_SPINP(b),XP(D)::QAR1(A),XP(b)
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