MESON Chess Problem Database
Problem Display
PID: 7610 (5r2/bn2Q3/6p1/4N3/5n2/1pPPk1B1/8/3K2N1 w - - 0 1)
Rychkov, Vladimir Nikolaevich
3rd HM., Uralski Skazi, 1991
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Sxd3
- 2.Sc4#
- 2.Sg4#
- 1...Sa5
- 2.Qxa7#
- 1...Sd6
- 2.Qxa7#
- 1...Sd8
- 2.Qxa7#
- 1...Sxd3
- Tries
- 1.Qb4?
- threat
- 2.Qe4#
- 1...Sxd3
- 2.Sg4#
- 1...Bd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- 1...Sd6!
- threat
- 1.Qxf8?
- threat
- 2.Qxf4#
- 1...Sxd3
- 2.Qf3#
- 1...Se6
- 2.Bf2#
- 2.Qf2#
- 2.Qf3#
- 1...Se2
- 2.Bf2#
- 2.Qf2#
- 2.Qf3#
- 1...Sg2
- 2.Bf2#
- 2.Qf2#
- 2.Qf3#
- 1...Sh3
- 2.Qf3#
- 1...Sd5
- 2.Bf2#
- 2.Qf2#
- 2.Qf3#
- 1...Sh5
- 2.Bf2#
- 2.Qf2#
- 2.Qf3#
- 1...g5!
- threat
- 1.Qxb7?
- threat
- 2.Qf3#
- 2.Qe4#
- 2.Qxa7#
- 1...Sxd3
- 2.Sc4#
- 2.Sg4#
- 1...Se6
- 2.Qe4#
- 1...Rf6
- 2.Qf3#
- 2.Qe4#
- 1...Rf7
- 2.Qf3#
- 2.Qe4#
- 1...Ra8
- 2.Qf3#
- 2.Qe4#
- 1...Rb8
- 2.Qf3#
- 2.Qe4#
- 1...Rc8
- 2.Qf3#
- 2.Qe4#
- 1...Rd8
- 2.Qf3#
- 2.Qe4#
- 1...Bd4
- 2.Qf3#
- 2.Qe4#
- 1...Bc5
- 2.Qf3#
- 2.Qe4#
- 1...Bb6
- 2.Qf3#
- 2.Qe4#
- 2.Qxb6#
- 1...Bb8
- 2.Qf3#
- 2.Qe4#
- 2.Qb6#
- 1...Se2
- 2.Qe4#
- 1...Sg2
- 2.Qe4#
- 2.Qxa7#
- 1...Sh3
- 2.Qe4#
- 2.Qxa7#
- 1...Sh5
- 2.Qe4#
- 2.Qxa7#
- 1...Sd5!
- threat
- 1.Qd7?
- threat
- 2.Sc4#
- 2.Sg4#
- 1...Sxd3
- 2.Qxd3#
- 1...Rc8
- 2.Sg4#
- 1...Bd4
- 2.Qxd4#
- 1...Sa5
- 2.Sg4#
- 2.Qxa7#
- 1...Sd6
- 2.Qxa7#
- 1...Sd5!
- threat
- 1.Qb4?
- Keys
- 1.Qh4!
- threat
- 2.Bf2#
- 1...Sxd3
- 2.Sc4#
- 1...Se6
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sg2
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- threat
- 1.Qh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- S(f);OGATE::QAB(G),XB(e)
- Tries
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- S(c);SBLOCK,XP(D)::S(F)
- B(e);N_GUARD::QAB1(G),XB(e)
- S(f);S_CUTB(e)::QAB1(G)
- Refutation
- S(f);
- Try
- Q(G);XR(g)
- Threat
- QAB1(G),XS(c)
- Vars
- S(c);OGATE,XP(D)::QAR1(G)
- S(c);OGATE::QAR1(G)
- Refutation
- P(d);
- Try
- Q(G);XS(f)
- Threat
- DUALS(3)
- Vars
- S(c);::QAR1(G)
- Refutation
- S(c);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XP(D)::QAR1(G),XS(c)
- R(g);::S(F)
- B(e);N_GUARD::QAB1(G),XB(e)
- S(f);OGATE::QAB(G),XB(e)
- Refutation
- S(c);
- Try
- Actual
- Q(G);
- Threat
- B(E)
- Vars
- S(c);SBLOCK,XP(D)::S(F)
- S(c);OGATE::QAR1(G)
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