MESON Chess Problem Database

Problem Display
PID: 58560 (2B3n1/Kp2Npb1/p4k1n/3pR3/6rP/B2bQ3/2r2q2/5R2 w - - 0 1)

Gavrilov, Constantin Grigorievich

Xadrez Brasileiro, 1936

2B3n1/Kp2Npb1/p4k1n/3pR3/6rP/B2bQ3/2r2q2/5R2

#2

8 + 12

371 The Chess Review 1936

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qg5#
    • 1...Rg5
      • 2.hxg5#
    • 1...Rg6
      • 2.Sxd5#
    • 1...Bg6
      • 2.Sxd5#
  • Keys
    • 1.Rg5!
      • threat
        • 2.Sxd5#
      • 1...Rxg5
        • 2.hxg5#
      • 1...Sxe7
        • 2.Bxe7#
      • 1...Rc5
        • 2.Qe5#
      • 1...Rd4
        • 2.Qxd4#
        • 2.Qe5#
      • 1...Bc4
        • 2.Qb6#
      • 1...Be4
        • 2.Qd4#
      • 1...d4
        • 2.Sd5#
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(d);N_PINQ(C)::QAB1(C)
    • R(d);OGATE::P(D),XR(d)
    • R(d);SBLOCK::S(G),XP(e)
    • B(c);SBLOCK::S(G),XP(e)
  • Actual
    • R(E);
    • Threat
      • S(G),XP(e)
    • Vars
      • R(d);OGATE,XR(E)::P(D),XR(d)
      • S(l);OGATE,XS(G)::B(B),XS(l)
      • R(a);N_PINQ(C)::QAB1(C)
      • B(c);S_CUTR(a)::QAR(C)
      • B(c);S_CUTR(d)::QAB(C)
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