MESON Chess Problem Database
Problem Display
PID: 235053 (8/8/2p5/Q5p1/B1npnpN1/3k4/3P4/3RK1N1 w - - 0 1)
Shanshin, Valery Yurevich
Revista Romana de Sah, 1980
#2
7 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Sxa5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Scd6
- 2.Se5#
- 1...Sf2
- 2.Sxf2#
- 1...Sc3
- 2.Sf2#
- 1...Sg3
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sed6
- 2.Sf2#
- 1...Sf6
- 2.Sf2#
- 1...Sb2
- Tries
- 1.Rc1?
- threat
- 2.Bc2#
- 1...Sxa5
- 2.Se5#
- 1...Sb2
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Scd6
- 2.Se5#
- 1...Scxd2!
- threat
- 1.Qc3+?
- 1...Sxc3
- 2.Sf2#
- 1...dxc3!
- 1...Sxc3
- 1.Qf5?
- threat
- 2.Sf2#
- 1...Sb2
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Sa5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Sd6
- 2.Se5#
- 1...Sxd2!
- threat
- 1.Qa6?
- threat
- 2.Se5#
- 1...Sf2
- 2.Sxf2#
- 1...Sc3
- 2.Sf2#
- 1...Sg3
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sd6
- 2.Sf2#
- 1...Sf6
- 2.Sf2#
- 1...Sxd2!
- threat
- 1.Rc1?
- Keys
- 1.Se2!
- threat
- 2.Sc1#
- 1...Scxd2
- 2.Qa6#
- 1...Sxa5
- 2.Se5#
- 1...Sexd2
- 2.Qf5#
- 1...Sb2
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sb6
- 2.Se5#
- 1...Scd6
- 2.Se5#
- 1...Sf2
- 2.Sxf2#
- 1...Sc3
- 2.Sf2#
- 1...Sg3
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sed6
- 2.Sf2#
- 1...Sf6
- 2.Sf2#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(F)
- S(b);N_GUARD,XQ(G)::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- Tries
- Try
- R(A);
- Threat
- B(E)
- Vars
- S(b);N_GUARD,XQ(G)::S(F)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- S(b);XP(D)
- Try
- Q(G);CHECK
- Vars
- S(d);XQ(G)::S(F)
- Refutation
- P(c);XQ(G)
- Try
- Q(G);P_PINS(d)
- Threat
- S(F)
- Vars
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- Refutation
- S(b);N_SPINS(d),P_SPINS(b),XP(D)
- Try
- Q(G);P_PINS(b)
- Threat
- S(F)
- Vars
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
- Refutation
- S(d);N_SPINS(b),P_SPINS(d),XP(D)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- S(b);OGATEB,P_SPINS(b),XP(D)::QAB(G)
- S(b);N_GUARD,XQ(G)::S(F)
- S(d);OGATEB,P_SPINS(d),XP(D)::QAB(G)
- S(b);N_GUARD::S(F)
- S(b);N_GUARD::S(F),XS(b)
- S(d);N_GUARD::S(F),XS(d)
- S(d);N_GUARD::S(F)
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