MESON Chess Problem Database

Problem Display
PID: 261071 (8/pbK5/5P2/1B1k1P2/N4P1b/2p1pP2/3PNnQ1/6r1 w - - 0 1)

Armeni, Alberto

Neue Zurcher Zeitung, 2012

8/pbK5/5P2/1B1k1P2/N4P1b/2p1pP2/3PNnQ1/6r1

#2

10 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qg8#
    • 1...Rb1
      • 2.Qg8#
    • 1...Rc1
      • 2.Qg8#
    • 1...Rd1
      • 2.Qg8#
    • 1...Re1
      • 2.Qg8#
    • 1...Rf1
      • 2.Qg8#
    • 1...Rh1
      • 2.Qg8#
    • 1...Se4
      • 2.fxe4#
  • Tries
    • 1.dxe3?
      • threat
        • 2.Sexc3#
      • 1...Rc1
        • 2.Qg8#
      • 1...Sd1
        • 2.e4#
      • 1...Se4
        • 2.fxe4#
      • 1...c2
        • 2.Sec3#
      • 1...Bxf6!
    • 1.d3?
      • threat
        • 2.Bc4#
      • 1...Ba6
        • 2.Bc6#
      • 1...Sxd3!
    • 1.d4?
      • threat
        • 2.Saxc3#
      • 1...Rc1
        • 2.Qg8#
      • 1...Se4
        • 2.fxe4#
      • 1...c2
        • 2.Sac3#
      • 1...Sd1!
  • Keys
    • 1.dxc3!
      • threat
        • 2.c4#
      • 1...Rc1
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::QAB(C)
    • S(b);OGATE::P(D),XS(b)
  • Tries
    • Try
      • P(A);XP(d)
      • Threat
        • S(B),XP(c)
      • Vars
        • R(a);N_GUARD::QAB(C)
        • S(b);N_GUARD::P(A)
        • S(b);OGATE::P(D),XS(b)
        • P(c);::S(B)
      • Refutation
        • B(e);XP(I)
    • Try
      • P(A);
      • Threat
        • B(G)
      • Vars
        • B(h);N_GUARD::B(G)
      • Refutation
        • S(b);XP(A)
    • Try
      • P(A);
      • Threat
        • S(E),XP(c)
      • Vars
        • R(a);N_GUARD::QAB(C)
        • S(b);OGATE::P(D),XS(b)
        • P(c);::S(E)
      • Refutation
        • S(b);
  • Actual
    • P(A);XP(c)
    • Threat
      • P(A)
    • Vars
      • R(a);N_GUARD,P_PINP(A)::QAB(C)
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