MESON Chess Problem Database
Problem Display
PID: 104347 (5Q2/1n1R4/N3p1b1/b3P3/3p2p1/1Kpk3N/1nrPp2q/4B2B w - - 0 1)
Istokovics, Ferenc
Boletim da UBP, 1980-1981
#2
9 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Sf4#
- 1...Qf4
- 2.Sxf4#
- 1...Qxe5
- 2.Sf2#
- 1...Qxh1
- 2.Sf2#
- 1...Qf2
- 2.Sxf2#
- 1...Bb4
- 2.Sxb4#
- 1...Bb6
- 2.Sb4#
- 1...Bc7
- 2.Sb4#
- 1...Bd8
- 2.Sb4#
- 1...Sc5+
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...gxh3
- 2.Qf3#
- 1...g3
- 2.Sf4#
- 2.Qf3#
- 1...Qg1
- Tries
- 1.Qb4?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc5+
- 2.Sxc5#
- 1...Qxe5
- 2.Sf2#
- 1...Rxd2
- 2.Qxd4#
- 1...Bxb4
- 2.Sxb4#
- 1...cxd2
- 2.Qxd4#
- 1...Qg1
- 2.Sf4#
- 1...Qf4
- 2.Sxf4#
- 1...Qf2
- 2.Sxf2#
- 1...Sc4
- 2.Qxc4#
- 1...Sd6
- 2.Sc5#
- 1...Bb6!
- threat
- 1.Qc5?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Sxc5+
- 2.Sxc5#
- 1...Qxe5
- 2.Sf2#
- 1...Rxd2
- 2.Qxd4#
- 1...cxd2
- 2.Qxd4#
- 1...Qg1
- 2.Sf4#
- 1...Qf4
- 2.Sxf4#
- 1...Qf2
- 2.Sxf2#
- 1...Bb6
- 2.Sb4#
- 2.Rxd4#
- 1...Sd6!
- threat
- 1.Qf2?
- threat
- 2.Rxd4#
- 2.Qe3#
- 2.Qxd4#
- 1...Sc5+
- 2.Sxc5#
- 1...Qxf2
- 2.Sxf2#
- 1...Qxh3
- 2.Rxd4#
- 2.Qxd4#
- 1...Rxd2
- 2.Rxd4#
- 2.Qxd4#
- 1...cxd2
- 2.Rxd4#
- 2.Qxd4#
- 1...Qg1
- 2.Sf4#
- 2.Rxd4#
- 1...Qg3
- 2.Rxd4#
- 2.Qxg3#
- 2.Qxd4#
- 1...Qf4
- 2.Sxf4#
- 1...Bb6
- 2.Sb4#
- 2.Qe3#
- 1...Sd1
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd6
- 2.Sc5#
- 1...Qxe5!
- threat
- 1.Qf4?
- threat
- 2.Rxd4#
- 2.Qe3#
- 2.Qxd4#
- 1...Sc5+
- 2.Sxc5#
- 1...Qxf4
- 2.Sxf4#
- 1...Qxh3
- 2.Rxd4#
- 2.Qxd4#
- 1...Rxd2
- 2.Rxd4#
- 2.Qxd4#
- 1...cxd2
- 2.Rxd4#
- 2.Qxd4#
- 1...Qg3
- 2.Rxd4#
- 2.Qxg3#
- 2.Qxd4#
- 1...Qf2
- 2.Sxf2#
- 1...Bb6
- 2.Sb4#
- 2.Qe3#
- 1...Be4
- 2.Bxe4#
- 2.Qe3#
- 2.Qxe4#
- 1...Sd1
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd6
- 2.Sc5#
- 1...Qg1!
- threat
- 1.Qb4?
- Keys
- 1.Qd6!
- threat
- 2.Qxd4#
- 1...Sc5+
- 2.Sxc5#
- 1...Qxe5
- 2.Sf2#
- 1...Sxd6
- 2.Sc5#
- 1...Qg1
- 2.Sf4#
- 1...Qf4
- 2.Sxf4#
- 1...Qf2
- 2.Sxf2#
- 1...Bb6
- 2.Sb4#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XQ(d)
- Q(d);N_GUARD,XP(F)::S(E)
- Q(d);N_GUARD,XB(B)::S(E)
- B(i);N_GUARD::S(G),XB(i)
- B(i);N_GUARD::S(G)
- S(l);CHECK,N_GUARD::S(G),XS(l)
- S(l);N_GUARD,N_SPINP(g)::S(G)
- S(l);N_GUARD::S(G)
- P(h);N_GUARD,XS(E)::QAR2(I)
- Tries
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(l);CHECK,N_GUARD::S(G),XS(l)
- Q(d);N_GUARD,XP(F)::S(E)
- R(b);XP(C)::QAR1(I),XP(g)
- B(i);XQ(I)::S(G),XB(i)
- P(e);XP(C)::QAR1(I),XP(g)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XQ(d)
- S(a);N_GUARD::QAB1(I),XS(a)
- S(l);N_GUARD,N_SPINP(g)::S(G)
- Refutation
- B(i);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(l);CHECK,XQ(I)::S(G),XS(l)
- Q(d);N_GUARD,XP(F)::S(E)
- R(b);XP(C)::QAR1(I),XP(g)
- P(e);XP(C)::QAR1(I),XP(g)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XQ(d)
- Refutation
- S(l);N_SPINP(g)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- S(l);CHECK,N_GUARD::S(G),XS(l)
- Q(d);XQ(I)::S(E),XQ(d)
- Q(d);N_GUARD::S(E),XQ(d)
- S(l);N_GUARD,N_SPINP(g)::S(G)
- Refutation
- Q(d);XP(F)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- S(l);CHECK,N_GUARD::S(G),XS(l)
- Q(d);XQ(I)::S(E),XQ(d)
- Q(d);N_GUARD::S(E),XQ(d)
- S(l);N_GUARD,N_SPINP(g)::S(G)
- Refutation
- Q(d);
- Try
- Actual
- Q(I);
- Threat
- QAR1(I),XP(g)
- Vars
- S(l);CHECK,N_GUARD::S(G),XS(l)
- Q(d);N_GUARD,XP(F)::S(E)
- S(l);N_GUARD,N_SPINP(g),XQ(I)::S(G)
- Q(d);N_GUARD::S(E)
- Q(d);N_GUARD::S(E),XQ(d)
- B(i);N_GUARD::S(G)
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