MESON Chess Problem Database

Problem Display
PID: 235409 (6q1/1B2Bn2/2P3r1/NRp1kP2/r1p5/2PQ4/2n1P2p/1b2NRbK w - - 0 1)

Pituk, Alexander

Alexander Pituk Chess Compositions II (Torok/Labai), 2005

6q1/1B2Bn2/2P3r1/NRp1kP2/r1p5/2PQ4/2n1P2p/1b2NRbK

#2

12 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sxc4#
    • 1...Ra2
      • 2.Sxc4#
    • 1...Ra3
      • 2.Sxc4#
    • 1...Rxc6
      • 2.Sxc6#
    • 1...Se3
      • 2.Qd4#
    • 1...Sb4
      • 2.Sxc4#
    • 1...Sd4
      • 2.Rxc5#
  • Keys
    • 1.c7!
      • threat
        • 2.Qe4#
        • 2.Qd5#
      • 1...Sxe1
        • 2.Qd5#
      • 1...cxd3
        • 2.Sxd3#
      • 1...Bf2
        • 2.Qe4#
      • 1...Qd8
        • 2.Qe4#
      • 1...Rg4
        • 2.Sc6#
        • 2.Qd5#
      • 1...Rc6
        • 2.Sxc6#
      • 1...Rd6
        • 2.Qe4#
      • 1...Bd4
        • 2.Qe4#
      • 1...Sa1
        • 2.Qd5#
      • 1...Sa3
        • 2.Qd5#
      • 1...Se3
        • 2.Qd4#
      • 1...Sb4
        • 2.Sxc4#
      • 1...Sd4
        • 2.Rxc5#
      • 1...Sg5
        • 2.Qg3#
      • 1...Sd6
        • 2.Sc6#
      • 1...Sh6
        • 2.Qe4#
      • 1...Sd8
        • 2.Qe4#
      • 1...Sh8
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 3
  • Sets
    • R(e);N_GUARD::S(G),XP(f)
    • R(i);XP(J)::S(G),XR(i)
    • S(c);N_GUARD,S_CUTB(b)::QAB1(F)
    • S(c);S_CUTR(e)::S(G),XP(f)
    • S(c);S_CUTB(b)::R(H),XP(g)
  • Actual
    • P(J);
    • Threat
      • DUALS(2)
    • Vars
      • S(c);XS(A)::QAR1(F)
      • P(f);XQ(F)::S(A),XP(f)
      • B(b);::QAR1(F)
      • Q(k);::QAR1(F)
      • R(i);N_GUARD::S(G),XR(i)
      • R(i);::QAR1(F)
      • S(c);::QAR1(F)
      • S(c);N_GUARD,S_CUTB(b)::QAB1(F)
      • S(c);S_CUTR(e)::S(G),XP(f)
      • S(c);S_CUTB(b)::R(H),XP(g)
      • S(j);S_CUTR(i)::QAB(F)
      • S(j);S_CUTR(i)::S(G)
      • S(j);::QAR1(F)
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