MESON Chess Problem Database

Problem Display
PID: 243620 (5Q2/3N4/B2p4/1R1p1PB1/3rk3/2n3R1/1n3PK1/4r1b1 w - - 0 1)

Balcu, Silviu

Magyar Sakkelet, 1955

5Q2/3N4/B2p4/1R1p1PB1/3rk3/2n3R1/1n3PK1/4r1b1

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Re3#
    • 1...Rb1
      • 2.Re3#
    • 1...Rc1
      • 2.Re3#
    • 1...Red1
      • 2.Re3#
    • 1...Rf1
      • 2.Re3#
    • 1...Re3
      • 2.Rxe3#
    • 1...Rd3
      • 2.Rg4#
    • 1...Sd3
      • 2.f3#
    • 1...Se2
      • 2.Re3#
  • Tries
    • 1.Sc5+?
      • 1...Ke5
        • 2.Qf6#
      • 1...dxc5!
  • Keys
    • 1.Rxd5!
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Qa8#
      • 1...Rxd5
        • 2.Rg4#
      • 1...Sxd5
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • R(a);N_GUARD::R1(C)
    • R(a);N_GUARD::R1(C),XR(a)
    • R(e);SBLOCK::R(C)
    • S(c);SBLOCK::P(A)
    • S(d);S_CUTR(a)::R1(C)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(f);P-FLIGHT::QAB1(I)
      • Refutation
        • P(h);XS(H)
  • Actual
    • R(D);XP(g)
    • Threat
      • S(H)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XR(D)::QAB(I)
      • R(e);SBLOCK,XR(D)::R(C)
      • S(d);SBLOCK,XR(D)::P(A)
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