MESON Chess Problem Database

Problem Display
PID: 245629 (b3K1Rb/2pQN3/r7/q1n2Pn1/2RpBkN1/2p1rPp1/6P1/2B5 w - - 0 1)

Musante, Horacio Luis

Szachy, 1950

b3K1Rb/2pQN3/r7/q1n2Pn1/2RpBkN1/2p1rPp1/6P1/2B5

#2

11 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Sd5#
    • 1...Rg6
      • 2.Sxg6#
    • 1...Ra7
      • 2.Sg6#
    • 1...Bd5
      • 2.Sxd5#
    • 1...Bc6
      • 2.Sg6#
    • 1...Bf6
      • 2.Sg6#
    • 1...Sce6
      • 2.Sg6#
    • 1...d3
      • 2.Bxe3#
    • 1...c6
      • 2.Sg6#
  • Tries
    • 1.Qd6+?
      • 1...Be5
        • 2.Sg6#
        • 2.Qxe5#
      • 1...cxd6
        • 2.Sg6#
      • 1...Rxd6!
    • 1.Qxc7+?
      • 1...Rd6
        • 2.Sg6#
      • 1...Be5
        • 2.Qxe5#
      • 1...Qxc7!
  • Keys
    • 1.Bc6!
      • threat
        • 2.Bxe3#
      • 1...Sce4
        • 2.Sg6#
      • 1...Sge4
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • R(i);S_CUTB(k)::S(I)
    • R(i);N_GUARD::S(I),XR(i)
    • R(i);N_GUARD::S(I)
    • B(k);N_GUARD::S(I),XB(k)
    • B(k);P_PINQ(H),S_CUTR(i)::S(I)
    • B(l);S_CUTR(i)::S(I)
    • S(g);S_CUTR(i)::S(I)
    • P(d);N_GUARD::B(A),XR(b)
    • P(j);S_CUTR(i)::S(I)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • P(j);XQ(H)::S(I)
      • Refutation
        • R(i);XQ(H)
    • Try
      • Q(H);CHECK,XP(j)
      • Vars
        • R(i);::S(I)
        • B(l);N_GUARD,P_SPINB(l)::QAB1(H),XB(l)
      • Refutation
        • Q(f);XQ(H)
  • Actual
    • B(E);P_PINP(d),P_SPINS(I)
    • Threat
      • B(A),XR(b)
    • Vars
      • S(g);N_PINS(I),N_SPINP(d)::S(I)
      • S(h);N_PINS(I),N_SPINP(d)::S(I)
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