MESON Chess Problem Database

Problem Display
PID: 287262 (3R2n1/1q3r2/1pnpr3/1Rb1k1B1/Q4NP1/3pN2B/4bK2/8 w - - 0 1)

Varady, Imre

Grantham Journal, 1924

(First published on Sat Dec 20 1924)

3R2n1/1q3r2/1pnpr3/1Rb1k1B1/Q4NP1/3pN2B/4bK2/8

#2

9 + 11

15239 Valois Notebooks 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf4+
      • 2.Qxf4#
    • 1...Bf3
      • 2.Sxd3#
    • 1...Sf6
      • 2.Sg6#
    • 1...d5
      • 2.Rxd5#
  • Tries
    • 1.Rxc5+?
      • 1...dxc5
        • 2.Rd5#
      • 1...d5
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...bxc5!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Qe4#
      • 1...Rxf4+
        • 2.Qxf4#
      • 1...Sxd8
        • 2.Qa1#
      • 1...Sb4
        • 2.Qa1#
      • 1...Bf3
        • 2.Sxd3#
      • 1...Sd4
        • 2.Sc4#
      • 1...Sa5
        • 2.Qa1#
      • 1...Sa7
        • 2.Qa1#
      • 1...Sce7
        • 2.Qa1#
      • 1...Sb8
        • 2.Qa1#
      • 1...Sf6
        • 2.Sg6#
      • 1...d5
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(j);CHECK,OGATE,XS(E)::QAB1(D),XR(j)
    • B(a);::S(E),XP(b)
    • S(k);::S(E)
    • P(g);N_SPINB(c),OGATE::R1(I),XP(g)
  • Tries
    • Try
      • R(G);CHECK,N_SPINS(B),P_SPINS(E),XB(c)
      • Vars
        • P(g);OGATE,XR(G)::R1(I)
      • Refutation
        • P(e);XR(G)
  • Actual
    • B(C);
    • Threat
      • QAR1(D)
    • Vars
      • R(j);CHECK,OGATE,XS(E)::QAB1(D),XR(j)
      • S(f);N_GUARD,XR(I)::QAB(D)
      • S(f);N_GUARD::QAB(D)
      • B(a);::S(E),XP(b)
      • S(f);N_PINS(B),P_PINS(E),SBLOCK::S(B)
      • S(k);::S(E)
      • P(g);N_SPINB(c),OGATE::R1(I),XP(g)
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