MESON Chess Problem Database

Problem Display
PID: 161522 (8/8/8/8/8/8/3k1p2/1KN1R2Q w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

8/8/8/8/8/8/3k1p2/1KN1R2Q

#2

4 + 2

5454 Near Snap 2017
15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kc3
        • 2.Sa2#
      • 1...Kxe1!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Rd1#
        • 2.Qe3#
      • 1...Kxe1
        • 2.Qe2#
      • 1...fxe1Q
        • 2.Qd3#
      • 1...fxe1S
        • 2.Sb3#
      • 1...fxe1B
        • 2.Sb3#
        • 2.Qd3#
      • 1...fxe1R
        • 2.Qd3#
      • 1...f1Q
        • 2.Qe3#
      • 1...f1S
        • 2.Rd1#
      • 1...f1R
        • 2.Qe3#

Anticipated by 6331(1928)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);S_FLIGHT::S(B)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • Q(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR1(D)
      • P(b);P_PINS(B),SBLOCK,XR(C)::QAR1(D)
      • P(b);SBLOCK,XR(C)::S(B)
      • P(b);::QAB1(D)
      • P(b);::R1(C)
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