MESON Chess Problem Database

Problem Display
PID: 243069 (3KnNr1/2pR4/1N2pP1R/b3k2P/2p1P3/4Q3/8/2r4B w - - 0 1)

Amirov, Talip Khasanovich

Skakbladet, 1965

3KnNr1/2pR4/1N2pP1R/b3k2P/2p1P3/4Q3/8/2r4B

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sxc4#
    • 1...Rb1
      • 2.Sxc4#
    • 1...Rd1
      • 2.Sxc4#
    • 1...Re1
      • 2.Sxc4#
    • 1...Rf1
      • 2.Sxc4#
    • 1...Rcg1
      • 2.Sxc4#
    • 1...Rxh1
      • 2.Sxc4#
    • 1...Rg3
      • 2.Qxg3#
    • 1...Rg5
      • 2.Qxg5#
    • 1...Rxf8
      • 2.Qg5#
      • 2.Qg3#
    • 1...Rh8
      • 2.Qg5#
      • 2.Qg3#
    • 1...Bc3
      • 2.Sxc4#
    • 1...Sg7
      • 2.Qg3#
    • 1...c3
      • 2.Sc4#
  • Tries
    • 1.Sg6+?
      • 1...Kxf6
        • 2.Qf4#
      • 1...Rxg6!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Rxe6#
      • 1...Kxd6
        • 2.e5#
      • 1...Rxf8
        • 2.Qg3#
      • 1...Sxd6
        • 2.Sd7#
      • 1...cxd6
        • 2.Sd7#
      • 1...Rd1
        • 2.Sxc4#
      • 1...Sg7
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 10
  • Sets
    • R(a);N_GUARD::S(E),XP(b)
    • R(a);N_GUARD,P_PINR(H)::S(E),XP(b)
    • R(a);N_GUARD,XB(A)::S(E),XP(b)
    • R(h);N_GUARD::QAB(B),XR(h)
    • R(h);N_GUARD::QAR2(B),XR(h)
    • B(c);S_CUTR(a)::S(E),XP(b)
    • S(g);P_PINS(J),S_CUTR(h)::QAB(B)
    • P(b);S_CUTR(a)::S(E)
  • Tries
    • Try
      • S(J);CHECK
      • Vars
        • K(d);S_FLIGHT,XP(F)::QAR2(B)
      • Refutation
        • R(h);XS(J)
  • Actual
    • R(H);
    • Threat
      • R1(H),XP(e)
    • Vars
      • K(d);OGATE,S_FLIGHT,XR(H)::P(C)
      • R(h);N_GUARD,XS(J)::QAB(B)
      • S(g);P_PINS(J),SBLOCK,XR(H)::S(E)
      • P(f);P_PINS(E),SBLOCK,XR(H)::S(J)
      • R(a);N_GUARD,P_PINR(H)::S(E),XP(b)
      • S(g);P_PINS(J),S_CUTR(h)::QAB(B)
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