MESON Chess Problem Database

Problem Display
PID: 259524 (1n3B2/bR3Kp1/8/3kN3/r2P1PN1/n1Pp4/5Pr1/4Q3 w - - 0 1)

Paslack, Rainer

Schach, 2022

1n3B2/bR3Kp1/8/3kN3/r2P1PN1/n1Pp4/5Pr1/4Q3

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sa6
      • 2.Rd7#
    • 1...Sc6
      • 2.Rd7#
    • 1...Sd7
      • 2.Rxd7#
    • 1...g5
      • 2.Sf6#
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Qe6#
      • 1...Kc4
        • 2.Se3#
      • 1...Kc6
        • 2.Qe4#
      • 1...Ra6!
    • 1.Sc4?
      • threat
        • 2.Qe6#
      • 1...Kxc4
        • 2.Se3#
      • 1...Kc6
        • 2.Qe4#
      • 1...Ra6!
    • 1.Sg6?
      • threat
        • 2.Qe6#
      • 1...Kc4
        • 2.Se3#
      • 1...Kc6
        • 2.Qe4#
      • 1...Ra6!
    • 1.Sd7?
      • threat
        • 2.Qe6#
      • 1...Kc4
        • 2.Se3#
      • 1...Kc6
        • 2.Qe4#
      • 1...Ra6!
    • 1.Rb5+?
      • 1...Bc5
        • 2.Rxc5#
      • 1...Sxb5!
    • 1.f3?
      • threat
        • 2.Se3#
        • 2.Qe4#
      • 1...Rxg4
        • 2.Qe4#
      • 1...Rxd4
        • 2.Se3#
      • 1...Bxd4
        • 2.Qe4#
      • 1...Sc2
        • 2.Qe4#
      • 1...Sc4
        • 2.Qe4#
      • 1...Re2!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qe6#
      • 1...Kc4
        • 2.Se3#
      • 1...Kxc6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(h);N_GUARD::R(H)
    • S(h);N_GUARD::R(H),XS(h)
    • P(g);N_GUARD::S(F)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);N_GUARD,S_FLIGHT::S(F)
        • K(e);N_GUARD,S_FLIGHT::QAB(A)
      • Refutation
        • R(d);
    • Try
      • S(G);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);N_GUARD,S_FLIGHT,XS(G)::S(F)
        • K(e);N_GUARD,S_FLIGHT::QAB(A)
      • Refutation
        • R(d);
    • Try
      • S(G);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);N_GUARD,S_FLIGHT::S(F)
        • K(e);N_GUARD,S_FLIGHT::QAB(A)
      • Refutation
        • R(d);
    • Try
      • S(G);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);N_GUARD,S_FLIGHT::S(F)
        • K(e);N_GUARD,S_FLIGHT::QAB(A)
      • Refutation
        • R(d);
    • Try
      • R(H);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R1(H),XB(f)
      • Refutation
        • S(b);XR(H)
    • Try
      • P(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XS(F)::QAB1(A)
        • R(d);XP(D)::S(F)
        • B(f);XP(D)::QAB1(A)
        • S(b);::QAB1(A)
      • Refutation
        • R(a);
  • Actual
    • S(G);
    • Threat
      • QAB1(A)
    • Vars
      • K(e);N_GUARD,S_FLIGHT::S(F)
      • K(e);N_GUARD,S_FLIGHT,XS(G)::QAB(A)
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