MESON Chess Problem Database

Problem Display
PID: 248212 (2B2Bn1/n3r3/3k4/r2PN3/p3KQp1/5p1b/2R4b/3R4 w - - 0 1)

Peris Pardo, Julio

British Chess Magazine, 1932

2B2Bn1/n3r3/3k4/r2PN3/p3KQp1/5p1b/2R4b/3R4

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Rxd5#
    • 1...Sb5
      • 2.Rc6#
    • 1...Sc6
      • 2.Rxc6#
    • 1...Sxc8
      • 2.Rc6#
    • 1...Sf6+
      • 2.Qxf6#
    • 1...Sh6
      • 2.Qxh6#
      • 2.Qf6#
  • Tries
    • 1.Bxe7+?
      • 1...Sxe7
        • 2.Sf7#
        • 2.Qf6#
      • 1...Kxe7!
    • 1.Qh6+?
      • 1...Sf6+
        • 2.Qxf6#
      • 1...Sxh6!
    • 1.Qf5?
      • threat
        • 2.Qe6#
        • 2.Qd7#
      • 1...Sf6+
        • 2.Qxf6#
      • 1...Rc5
        • 2.Qd7#
      • 1...Sc6
        • 2.Rxc6#
        • 2.Qd7#
      • 1...g3!
  • Keys
    • 1.Kf5!
      • threat
        • 2.Sf7#
      • 1...Sh6+
        • 2.Qxh6#
      • 1...g3+
        • 2.Sg4#
      • 1...Rxd5
        • 2.Qb4#
      • 1...Sxc8
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(f);N_SPINR(i),OGATE,P_SPINR(f),XP(E)::R1(A),XR(f)
    • S(h);N_GUARD::R1(B)
    • S(h);N_GUARD::R1(B),XS(h)
    • S(h);N_GUARD,XB(G)::R1(B)
    • S(j);CHECK,N_GUARD::QAR2(D),XS(j)
  • Tries
    • Try
      • B(H);CHECK,N_SPINS(F),XR(i)
      • Refutation
        • K(g);S_FLIGHT,XB(H)
    • Try
      • Q(D);CHECK
      • Vars
        • S(j);CHECK,N_GUARD,P_SPINS(j)::QAR2(D),XS(j)
      • Refutation
        • S(j);XQ(D)
    • Try
      • Q(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(j);CHECK,N_GUARD::QAR2(D),XS(j)
        • R(f);::QAR1(D)
      • Refutation
        • P(e);
  • Actual
    • K(C);N_SPINS(F),S_FLIGHT
    • Threat
      • QAB(D)+S(F),DCHECK
    • Vars
      • S(j);CHECK,N_GUARD::QAR(D),XS(j)
      • P(e);CHECK,S_CUTB(a)::QAB(D)+S(F)
      • R(f);N_GUARD,N_SPINR(i),P_PINS(F),P_SPINR(f),XP(E)::QAB(D)
      • S(h);N_GUARD,XB(G)::R1(B)
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Developed and maintained by Brian Stephenson.
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