MESON Chess Problem Database

Problem Display
PID: 243072 (1n5B/8/2rR4/2bb2K1/NQprkp2/2R2p2/B1P2P2/1nN5 w - - 0 1)

Amirov, Talip Khasanovich

Mat, 1974

1n5B/8/2rR4/2bb2K1/NQprkp2/2R2p2/B1P2P2/1nN5

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.cxd3#
    • 1...Ra6
      • 2.Sxc5#
    • 1...Rb6
      • 2.Sxc5#
    • 1...Rxd6
      • 2.Sxc5#
    • 1...Sxc3
      • 2.Sxc3#
  • Tries
    • 1.Re6+?
      • 1...Rxe6
        • 2.Sxc5#
      • 1...Bxe6!
    • 1.Qb7?
      • threat
        • 2.Qh7#
      • 1...Rxd6
        • 2.Sxc5#
      • 1...Rc7
        • 2.Re6#
      • 1...Be6
        • 2.Sxc5#
      • 1...Bf7
        • 2.Sxc5#
      • 1...Bg8
        • 2.Sxc5#
      • 1...Sd7!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qe1#
      • 1...Rxd3
        • 2.cxd3#
      • 1...Bxb4
        • 2.Rxd4#
      • 1...Sd2
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...c3
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(d);OGATE,P_SPINP(c)::P(C),XR(d)
    • R(i);N_GUARD::S(F),XB(g)
    • R(i);N_GUARD,XR(I)::S(F),XB(g)
    • S(a);XR(E)::S(F),XS(a)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • R(i);XR(I)::S(F),XB(g)
      • Refutation
        • B(h);XR(I)
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Vars
        • R(i);N_GUARD,P_SPINB(h),XR(I)::S(F),XB(g)
        • R(i);N_GUARD,P_SPINB(h)::R(I)
        • B(h);P_SPINR(i)::S(F),XB(g)
      • Refutation
        • S(j);
  • Actual
    • R(E);
    • Threat
      • QAR(G)
    • Vars
      • R(d);OGATE,P_SPINP(c),XR(E)::P(C),XR(d)
      • B(g);N_GUARD,XQ(G)::R1(E),XR(d)
      • S(a);N_GUARD::S(F)
      • S(a);N_GUARD::S(F),XS(a)
      • P(c);OGATE,P_SPINR(d)::B(B),XB(h)
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