MESON Chess Problem Database

Problem Display
PID: 201335 (3q4/3b2NB/1b2N3/Q2PB2n/4P2p/1rn1k3/1R1R2PK/8 w - - 0 1)

Candela Sanz, Rafael

Il Due Mosse, 1954

3q4/3b2NB/1b2N3/Q2PB2n/4P2p/1rn1k3/1R1R2PK/8

#2

11 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Qxc3#
    • 1...Rb5
      • 2.Qxc3#
    • 1...Bd4
      • 2.Bxd4#
    • 1...Bxa5
      • 2.Bd4#
    • 1...Bc5
      • 2.Qxc5#
    • 1...Bc7
      • 2.Qc5#
    • 1...Sxe4
      • 2.Sf5#
    • 1...Sg3
      • 2.Bf4#
    • 1...Sf4
      • 2.Bxf4#
    • 1...Sf6
      • 2.Bf4#
    • 1...Sxg7
      • 2.Bf4#
  • Tries
    • 1.Qxb6+?
      • 1...Rxb6
        • 2.Bd4#
      • 1...Qxb6!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Rd3#
      • 1...Rxb2
        • 2.Qxc3#
      • 1...Bxc5
        • 2.Qxc5#
      • 1...Sxe4
        • 2.Re2#
      • 1...Sxd5
        • 2.Re2#
      • 1...Se2
        • 2.Rxe2#
      • 1...Bb5
        • 2.Sf5#
      • 1...Sb1
        • 2.Re2#
      • 1...Sd1
        • 2.Re2#
      • 1...Sa2
        • 2.Re2#
      • 1...Sa4
        • 2.Re2#
      • 1...Sb5
        • 2.Re2#
      • 1...Sf4
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 8
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD,XR(A)::QAR2(F),XS(b)
    • R(a);N_GUARD::QAR2(F),XS(b)
    • B(f);N_GUARD::B(H),XB(f)
    • B(f);N_GUARD,XQ(F)::B(H)
    • B(f);N_GUARD::QAB(F),XB(f)
    • B(f);N_GUARD,P_PINB(H)::QAB(F)
    • S(b);SBLOCK,XP(E)::S(J)
    • S(e);N_GUARD::B(H)
    • S(e);N_GUARD::B(H),XS(e)
    • S(e);N_GUARD,XS(J)::B(H)
  • Tries
    • Try
      • Q(F);CHECK,XB(f)
      • Vars
        • R(a);XQ(F)::B(H)
      • Refutation
        • Q(h);XQ(F)
  • Actual
    • S(I);
    • Threat
      • R1(B)
    • Vars
      • R(a);N_GUARD,XR(A)::QAR2(F),XS(b)
      • B(f);OGATE,XS(I)::QAB(F),XB(f)
      • S(b);N_GUARD,XP(E)::R1(B)
      • S(b);N_GUARD,XP(G)::R1(B)
      • S(b);N_GUARD::R1(B),XS(b)
      • B(g);N_GUARD::S(J)
      • S(b);N_GUARD::R1(B)
      • S(e);SBLOCK::B(H)
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Developed and maintained by Brian Stephenson.
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