MESON Chess Problem Database

Problem Display
PID: 225493 (1b6/n2pp3/3kp3/Q3NP1b/5PP1/1B1K1R2/5p2/5R1r w - - 0 1)

Grudzinski, Henryk

Praca, 1993

1b6/n2pp3/3kp3/Q3NP1b/5PP1/1B1K1R2/5p2/5R1r

#2

9 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bc7
      • 2.Qb4#
      • 2.Qa3#
    • 1...Sb5
      • 2.Qb6#
    • 1...Sc6
      • 2.Sc4#
  • Tries
    • 1.Kd2?
      • threat
        • 2.Rd3#
      • 1...Sb5
        • 2.Qb6#
      • 1...Sc6
        • 2.Sc4#
      • 1...Rh3!
    • 1.Ke2?
      • threat
        • 2.Rd3#
      • 1...Sb5
        • 2.Qb6#
      • 1...Rh3
        • 2.Rd1#
      • 1...Sc6
        • 2.Sc4#
      • 1...Bxg4!
    • 1.Kc3?
      • threat
        • 2.Rd3#
      • 1...Rh3
        • 2.Rd1#
      • 1...Sc6
        • 2.Sc4#
      • 1...Sb5+!
    • 1.Ke4?
      • threat
        • 2.Rd3#
      • 1...Sb5
        • 2.Qb6#
      • 1...Rh3
        • 2.Rd1#
      • 1...Sc6
        • 2.Sc4#
      • 1...exf5+!
    • 1.Qxa7?
      • threat
        • 2.Qb6#
      • 1...Bc7
        • 2.Qd4#
        • 2.Qa3#
      • 1...Bxa7!
  • Keys
    • 1.Kc2!
      • threat
        • 2.Rd3#
      • 1...Sb5
        • 2.Qb6#
      • 1...Rh3
        • 2.Rd1#
      • 1...Sc6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::QAR2(G)
    • S(f);SBLOCK::S(H)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • R(D)
      • Vars
        • S(f);N_GUARD::QAR2(G)
        • S(f);SBLOCK::S(H)
      • Refutation
        • R(a);
    • Try
      • K(C);S_FLIGHT
      • Threat
        • R(D)
      • Vars
        • S(f);N_GUARD::QAR2(G)
        • R(a);N_GUARD::R(A)
        • S(f);SBLOCK::S(H)
      • Refutation
        • B(c);P_PINR(D),XP(F)
    • Try
      • K(C);P-FLIGHT
      • Threat
        • R(D)
      • Vars
        • R(a);N_GUARD,P_PINR(D)::R(A)
        • S(f);SBLOCK::S(H)
      • Refutation
        • S(f);CHECK
    • Try
      • K(C);S_FLIGHT
      • Threat
        • R(D)
      • Vars
        • S(f);N_GUARD::QAR2(G)
        • R(a);N_GUARD::R(A)
        • S(f);SBLOCK::S(H)
      • Refutation
        • P(e);CHECK,XP(I)
    • Try
      • Q(G);XS(f)
      • Threat
        • QAR2(G)
      • Refutation
        • B(i);XQ(G)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • R(D)
    • Vars
      • S(f);N_GUARD::QAR2(G)
      • R(a);N_GUARD::R(A)
      • S(f);SBLOCK::S(H)
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