MESON Chess Problem Database

Problem Display
PID: 248429 (2K2b2/p1NN4/p1k1p3/4Pp2/b1p5/5R2/1n1Q4/1q5B w - - 0 1)

Szoghy, Jozsef

Comm., Novi Sad Olympic Ty., 1990

2K2b2/p1NN4/p1k1p3/4Pp2/b1p5/5R2/1n1Q4/1q5B

#2

7 + 10

272 Sakkelet 1991
14867 BCPS Library 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.Rf1#
      • 2.Rf2#
      • 2.Ra3#
      • 2.Rb3#
      • 2.Rc3#
      • 2.Rd3#
      • 2.Re3#
      • 2.Rg3#
      • 2.Rh3#
      • 2.Rf4#
      • 2.Rxf5#
    • 1...Qc2
      • 2.Rd3#
    • 1...Qd3
      • 2.Rxd3#
    • 1...Qa1
      • 2.Rf1#
    • 1...Qc1
      • 2.Rf1#
    • 1...Qf1
      • 2.Rxf1#
    • 1...Bd6
      • 2.Qxd6#
    • 1...Bh6
      • 2.Qd6#
    • 1...Bg7
      • 2.Qd6#
    • 1...Sd1
      • 2.Rd3#
    • 1...Sd3
      • 2.Rf1#
    • 1...c3
      • 2.Rxc3#
  • Tries
    • 1.Rxf5+?
      • 1...Qe4
        • 2.Bxe4#
      • 1...Qxh1!
    • 1.Qe3?
      • threat
        • 2.Sb8#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Sd3
        • 2.Rf1#
      • 1...Sd1!
    • 1.Qa5?
      • threat
        • 2.Sb8#
        • 2.Qxa6#
      • 1...Qg1
        • 2.Sb8#
      • 1...Bc5
        • 2.Sb8#
        • 2.Qxc5#
      • 1...Sd1
        • 2.Rd3#
      • 1...Sd3
        • 2.Rf1#
      • 1...Bb5!
    • 1.Qf2?
      • threat
        • 2.Sb8#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Sd1
        • 2.Rd3#
      • 1...Sd3!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Sb8#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Sd1
        • 2.Rd3#
      • 1...Sd3
        • 2.Rf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • Q(a);N_GUARD::B(A)+R(C)
    • Q(a);N_GUARD::B(A)+R(C),XQ(a)
    • B(j);N_GUARD::QAR1(B),XB(j)
    • B(j);N_GUARD::QAR1(B)
    • S(b);S_CUTQ(a)::B(A)+R(C)
    • P(d);::B(A)+R(C),DCHECK,XP(d)
  • Tries
    • Try
      • R(C);CHECK,XP(e)
      • Vars
        • Q(a);N_GUARD,P_SPINQ(a)::B(A),XQ(a)
      • Refutation
        • Q(a);XB(A)
    • Try
      • Q(B);
      • Threat
        • S(F)
      • Vars
        • B(j);N_GUARD::QAR1(B),XB(j)
        • S(b);S_CUTQ(a)::B(A)+R(C)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);::S(F)
        • S(b);S_CUTQ(a)::B(A)+R(C)
      • Refutation
        • B(c);
    • Try
      • Q(B);
      • Threat
        • S(F)
      • Vars
        • B(j);N_GUARD::QAR1(B),XB(j)
        • S(b);S_CUTQ(a)::B(A)+R(C)
      • Refutation
        • S(b);
  • Actual
    • Q(B);
    • Threat
      • S(F)
    • Vars
      • B(j);N_GUARD::QAR1(B),XB(j)
      • S(b);S_CUTQ(a)::B(A)+R(C)
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