MESON Chess Problem Database
Problem Display
PID: 193293 (1K1R1B2/p3n3/1pkN4/1pN3R1/2Pn4/1Q6/4b2r/r7 w - - 0 1)
Sushkov, Yuri Akimovich
3rd Prize, 64 Shakhmatnoe obozrenie, 1986
#2
8 + 9
| 5007 | Zadachi i Etyudi | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Qxb5#
- 1...Sf3
- 2.Qxb5#
- 1...Sdf5
- 2.Qxb5#
- 1...Se6
- 2.Qxb5#
- 1...Sef5
- 2.Rc8#
- 1...Sg6
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...Sg8
- 2.Rc8#
- 1...Sc2
- Tries
- 1.Sde4?
- threat
- 2.Rd6#
- 1...Sdf5
- 2.Qxb5#
- 1...Sef5
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...Rh6!
- threat
- 1.Sxb5?
- threat
- 2.Sxd4#
- 2.Rd6#
- 1...Sxb3
- 2.Rd6#
- 1...Sxb5
- 2.Qxb5#
- 1...bxc5
- 2.Rd6#
- 1...Rd1
- 2.Sxa7#
- 2.Rd6#
- 1...Rh4
- 2.Rd6#
- 1...Rh6
- 2.Sxd4#
- 1...Sc2
- 2.Rd6#
- 1...Sf3
- 2.Rd6#
- 1...Se6
- 2.Rd6#
- 1...Sd5
- 2.Sxd4#
- 2.cxd5#
- 1...Sef5
- 2.Rc8#
- 1...Sc8
- 2.Sxd4#
- 2.Rxc8#
- 1...Sdf5!
- threat
- 1.Sdb7?
- threat
- 2.Rd6#
- 1...Sdf5
- 2.Qxb5#
- 1...Sef5
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...Rh6!
- threat
- 1.Sf7?
- threat
- 2.Rd6#
- 1...Sdf5
- 2.Qxb5#
- 1...Sd5
- 2.Se5#
- 2.cxd5#
- 1...Sef5
- 2.Se5#
- 2.Rc8#
- 1...Sc8
- 2.Se5#
- 2.Rxc8#
- 1...Rh6!
- threat
- 1.Sc8?
- threat
- 2.Sxe7#
- 2.Rd6#
- 1...Sxc8
- 2.Rxc8#
- 1...bxc5
- 2.Rd6#
- 1...Sdf5
- 2.Qxb5#
- 1...Rh6
- 2.Sxe7#
- 1...Rh7
- 2.Rd6#
- 1...Sd5
- 2.cxd5#
- 1...Sg6
- 2.Rd6#
- 1...Sg8
- 2.Rd6#
- 1...Sef5!
- threat
- 1.Se8?
- threat
- 2.Rd6#
- 1...Sdf5
- 2.Qxb5#
- 1...Sd5
- 2.cxd5#
- 1...Sef5
- 2.Rc8#
- 1...Sc8
- 2.Rxc8#
- 1...Rh6!
- threat
- 1.Rc8+?
- 1...Kxd6
- 2.Rd5#
- 2.Qg3#
- 1...Sxc8!
- 1...Kxd6
- 1.Sde4?
- Keys
- 1.Sf5!
- threat
- 2.Sxd4#
- 2.Sxe7#
- 1...Kxc5
- 2.Sxd4#
- 1...Sxb3
- 2.Sxe7#
- 1...Sdxf5
- 2.Qxb5#
- 1...Sexf5
- 2.Rc8#
- 1...bxc5
- 2.Rd6#
- 1...Rd1
- 2.Sxe7#
- 1...Rh4
- 2.Sxe7#
- 1...Rh7
- 2.Sxd4#
- 1...Sc2
- 2.Sxe7#
- 2.Qxb5#
- 1...Sf3
- 2.Sxe7#
- 2.Qxb5#
- 1...Se6
- 2.Sxe7#
- 2.Qxb5#
- 1...Sd5
- 2.Sxd4#
- 2.cxd5#
- 1...Sg6
- 2.Sxd4#
- 2.Rc8#
- 1...Sc8
- 2.Sxd4#
- 2.Rxc8#
- 1...Sg8
- 2.Sxd4#
- 2.Rc8#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- S(d);N_GUARD::QAB1(A),XP(e)
- S(i);N_GUARD::R(G)
- S(i);N_GUARD::R(G),XS(i)
- Tries
- Try
- S(E);
- Threat
- R1(G)
- Vars
- S(d);N_GUARD::QAB1(A),XP(e)
- S(i);N_GUARD::R(G)
- S(i);N_GUARD::R(G),XS(i)
- Refutation
- R(c);
- Try
- S(E);XP(e)
- Threat
- DUALS(2)
- Vars
- S(d);XQ(A)::R1(G)
- S(d);OGATE,XS(E)::QAB1(A),XS(d)
- P(f);XS(C)::R1(G)
- R(c);::R1(G)
- R(c);::S(E),XS(d)
- S(d);::R1(G)
- S(i);N_GUARD::R(G)
- Refutation
- S(d);
- Try
- S(E);
- Threat
- R1(G)
- Vars
- S(d);N_GUARD::QAB1(A),XP(e)
- S(i);N_GUARD::R(G)
- S(i);N_GUARD::R(G),XS(i)
- Refutation
- R(c);
- Try
- S(E);
- Threat
- R1(G)
- Vars
- S(d);N_GUARD::QAB1(A),XP(e)
- Refutation
- R(c);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(i);OGATE,XS(E)::R(G),XS(i)
- P(f);XS(C)::R1(G)
- S(d);N_GUARD::QAB1(A),XP(e)
- R(c);::S(E),XS(i)
- R(c);::R1(G)
- S(i);OGATE::P(B),XS(i)
- S(i);::R1(G)
- Refutation
- S(i);
- Try
- S(E);
- Threat
- R1(G)
- Vars
- S(d);N_GUARD::QAB1(A),XP(e)
- S(i);OGATE::P(B),XS(i)
- S(i);N_GUARD::R(G)
- S(i);N_GUARD::R(G),XS(i)
- Refutation
- R(c);
- Try
- R(G);CHECK
- Refutation
- S(i);XR(G)
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- K(g);P-FLIGHT,P_SPINS(i),XS(C)::R(D)+S(E),XS(d)
- S(d);XQ(A)::S(E),XS(i)
- S(d);N_GUARD,XS(E)::QAB1(A),XP(e)
- S(i);N_GUARD,XS(E)::R(G)
- P(f);SBLOCK,XS(C)::R1(G)
- R(a);::S(E),XS(i)
- R(c);::S(E),XS(i)
- R(c);::S(E),XS(d)
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