MESON Chess Problem Database

Problem Display
PID: 219951 (b4Q2/2nBp1p1/5q2/1p4p1/p2R2R1/r4kNK/2p1N2n/6B1 w - - 0 1)

Pachl, Franz

Freie Presse, 2005

b4Q2/2nBp1p1/5q2/1p4p1/p2R2R1/r4kNK/2p1N2n/6B1

#2

8 + 12

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5
      • 2.Qxf5#
    • 1...Qf7
      • 2.Qxf7#
    • 1...Ra1
      • 2.Rd3#
    • 1...Ra2
      • 2.Rd3#
    • 1...Rd3
      • 2.Rxd3#
    • 1...Sxg4
      • 2.Bxg4#
    • 1...Se6
      • 2.Qxa8#
    • 1...e5
      • 2.Qxa3#
    • 1...e6
      • 2.Qxa3#
  • Tries
    • 1.Rc4?
      • threat
        • 2.Sd4#
      • 1...Sxg4
        • 2.Bxg4#
      • 1...Se6
        • 2.Qxa8#
      • 1...e5
        • 2.Qxa3#
      • 1...Rd3!
    • 1.Rdf4+?
      • 1...Qxf4
        • 2.Sd4#
      • 1...gxf4!
    • 1.Rd5?
      • threat
        • 2.Sd4#
      • 1...Sxg4
        • 2.Bxg4#
      • 1...Rd3
        • 2.Rxd3#
      • 1...e5
        • 2.Qxa3#
      • 1...Se6!
    • 1.Rd6?
      • threat
        • 2.Sd4#
      • 1...Sxg4
        • 2.Bxg4#
      • 1...Rd3
        • 2.Rxd3#
      • 1...Se6
        • 2.Qxa8#
      • 1...e5!
  • Keys
    • 1.Rd2!
      • threat
        • 2.Sd4#
      • 1...Sxg4
        • 2.Bxg4#
      • 1...Rd3
        • 2.Rxd3#
      • 1...Se6
        • 2.Qxa8#
      • 1...e5
        • 2.Qxa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • Q(h);OGATE,P_PINR(F)::QAR2(H),XQ(h)
    • Q(h);OGATEB::QAR(H),XQ(h)
    • R(c);N_GUARD::R(E)
    • R(c);N_GUARD::R(E),XR(c)
    • S(b);OGATE,XR(F)::B(G),XS(b)
    • S(i);N_GUARD::QAB(H),XB(l)
    • P(j);OGATE::QAR(H),XR(c)
  • Tries
    • Try
      • R(E);
      • Threat
        • S(B)
      • Vars
        • S(b);OGATE,XR(F)::B(G),XS(b)
        • S(i);N_GUARD::QAB(H),XB(l)
        • P(j);OGATE::QAR(H),XR(c)
      • Refutation
        • R(c);
    • Try
      • R(E);CHECK,N_PINQ(h)
      • Vars
        • Q(h);P_SPINQ(h),XR(E)::S(B)
      • Refutation
        • P(g);XR(E)
    • Try
      • R(E);
      • Threat
        • S(B)
      • Vars
        • S(b);OGATE,XR(F)::B(G),XS(b)
        • R(c);N_GUARD::R(E),XR(c)
        • P(j);OGATE::QAR(H),XR(c)
      • Refutation
        • S(i);
    • Try
      • R(E);
      • Threat
        • S(B)
      • Vars
        • S(b);OGATE,XR(F)::B(G),XS(b)
        • R(c);N_GUARD::R(E),XR(c)
        • S(i);N_GUARD::QAB(H),XB(l)
      • Refutation
        • P(j);
  • Actual
    • R(E);
    • Threat
      • S(B)
    • Vars
      • S(b);OGATE,XR(F)::B(G),XS(b)
      • R(c);N_GUARD::R(E),XR(c)
      • S(i);N_GUARD::QAB(H),XB(l)
      • P(j);OGATE::QAR(H),XR(c)
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