MESON Chess Problem Database

Problem Display
PID: 276809 (2N3bq/p2p1pb1/3p3p/kBRR3r/P7/1KP5/8/4B3 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

To Mat, 1963

2N3bq/p2p1pb1/3p3p/kBRR3r/P7/1KP5/8/4B3

#2

8 + 10

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.cxd4#
    • 1...f6
      • 2.c4#
  • Tries
    • 1.Bc6+?
      • 1...Ka6
        • 2.Ra5#
      • 1...dxc5!
    • 1.Rc6?
      • threat
        • 2.Ra6#
      • 1...a6
        • 2.Rxa6#
      • 1...dxc6!
    • 1.Rc7?
      • threat
        • 2.Rxa7#
      • 1...Bd4
        • 2.cxd4#
      • 1...a6!
  • Keys
    • 1.Rxd6!
      • threat
        • 2.Ra6#
      • 1...f5+
        • 2.Bc4#
      • 1...f6+
        • 2.c4#
      • 1...a6
        • 2.Rxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(h);OGATE::B(A)+P(C),XB(h)
    • P(g);P_PINR(G),S_CUTB(h)::B(A)+P(C)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(a);P-FLIGHT,S_CUTR(b)::R1(F)
      • Refutation
        • P(c);P_SPINP(c),XR(F)
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • P(e);::R1(F),XP(e)
      • Refutation
        • P(f);XR(F)
    • Try
      • R(F);
      • Threat
        • R(F),XP(e)
      • Vars
        • B(h);OGATE::B(A)+P(C),XB(h)
      • Refutation
        • P(e);
  • Actual
    • R(G);XP(c)
    • Threat
      • R1(G)
    • Vars
      • P(g);CHECK,S_CUTR(b)::R(F)+B(E)
      • P(g);CHECK,S_CUTB(h)::B(A)+P(C)
      • P(e);::R1(G),XP(e)
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