MESON Chess Problem Database

Problem Display
PID: 167038 (2R4q/1B1N1pB1/1n6/5pp1/5kp1/5N2/K6n/6Q1 w - - 0 1)

Parzuch, Stefan

Prize, Association des problemistes Polonais, 2013

2R4q/1B1N1pB1/1n6/5pp1/5kp1/5N2/K6n/6Q1

#2

7 + 8

702 Phenix 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Be5#
    • 1...Qh4
      • 2.Be5#
    • 1...Qh5
      • 2.Be5#
    • 1...Qh6
      • 2.Be5#
    • 1...Qh7
      • 2.Be5#
    • 1...Qxc8
      • 2.Be5#
    • 1...Qd8
      • 2.Be5#
    • 1...Qf8
      • 2.Be5#
    • 1...Qg8
      • 2.Be5#
    • 1...Sa4
      • 2.Rc4#
    • 1...Sc4
      • 2.Rxc4#
    • 1...Sxd7
      • 2.Rc4#
    • 1...Sa8
      • 2.Rc4#
    • 1...g3
      • 2.Qd4#
  • Tries
    • 1.Sxh2?
      • threat
        • 2.Qf2#
      • 1...Sd5
        • 2.Rc4#
      • 1...Qh3
        • 2.Be5#
      • 1...Qh4
        • 2.Be5#
      • 1...g3
        • 2.Qd4#
        • 2.Qc1#
      • 1...Qxh2+!
    • 1.Sfe5?
      • threat
        • 2.Sd3#
      • 1...Sd5
        • 2.Rc4#
      • 1...g3
        • 2.Qd4#
        • 2.Qc1#
      • 1...Qh3!
    • 1.Sc5?
      • threat
        • 2.Sd3#
      • 1...g3
        • 2.Qd4#
      • 1...Qd8
        • 2.Be5#
      • 1...Sd5!
    • 1.Sde5?
      • threat
        • 2.Sd3#
      • 1...Sd5
        • 2.Rc4#
      • 1...g3
        • 2.Qd4#
        • 2.Qc1#
      • 1...Qd8!
  • Keys
    • 1.Se1!
      • threat
        • 2.Sd3#
      • 1...Sd5
        • 2.Rc4#
      • 1...g3
        • 2.Qd4#
      • 1...Qh3
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 12
  • Sets
    • Q(h);N_GUARD::B(F)
    • Q(h);N_GUARD,XR(G)::B(F)
    • S(f);N_GUARD::R(G)
    • S(f);N_GUARD::R(G),XS(f)
    • S(f);N_GUARD,XS(E)::R(G)
    • P(c);SBLOCK::QAR2(A)
  • Tries
    • Try
      • S(C);XS(a)
      • Threat
        • QAR2(A)
      • Vars
        • S(f);N_GUARD::R(G)
        • Q(h);N_GUARD::B(F)
      • Refutation
        • Q(h);CHECK,XS(C)
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • S(f);N_GUARD::R(G)
      • Refutation
        • Q(h);
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • P(c);SBLOCK::QAR2(A)
        • Q(h);N_GUARD::B(F)
      • Refutation
        • S(f);
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • S(f);N_GUARD::R(G)
      • Refutation
        • Q(h);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • S(f);N_GUARD::R(G)
      • P(c);SBLOCK::QAR2(A)
      • Q(h);N_GUARD::B(F)
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