MESON Chess Problem Database
Problem Display
PID: 109465 (1b1rn3/q5pp/8/7Q/1N1pkB2/p5r1/2N2R2/K5n1 w - - 0 1)
Sushkov, Yuri Akimovich
Revista de Sah, 1963
#2
6 + 11
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Qxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rc8
- 2.Qd5#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 2.Qe5#
- 1...Sc7
- 2.Qe5#
- 1...Rd5
- Tries
- 1.Bd6?
- threat
- 2.Rf4#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Rxd6
- 2.Qf5#
- 1...Bxd6
- 2.Qd5#
- 2.Qf5#
- 1...Sxd6
- 2.Qd5#
- 1...Qc5
- 2.Rf4#
- 1...Qa5
- 2.Rf4#
- 1...Qb7
- 2.Rf4#
- 2.Qe5#
- 2.Qf5#
- 1...Qd7
- 2.Rf4#
- 2.Qd5#
- 2.Qe5#
- 1...Qe7
- 2.Rf4#
- 2.Qd5#
- 2.Qf5#
- 1...Qf7
- 2.Qe5#
- 1...Qa8
- 2.Rf4#
- 2.Qe5#
- 2.Qf5#
- 1...Rf3
- 2.Qd5#
- 2.Qe5#
- 1...Rg4
- 2.Qxg4#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Rg5
- 2.Rf4#
- 1...Se2
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Sf3
- 2.Re2#
- 2.Qd5#
- 1...Sh3
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Sf6
- 2.Rf4#
- 2.Qe5#
- 2.Qf5#
- 1...Sc7
- 2.Rf4#
- 2.Qe5#
- 2.Qf5#
- 1...g6
- 2.Rf4#
- 2.Qd5#
- 2.Qe5#
- 1...g5!
- threat
- 1.Bxb8?
- threat
- 2.Rf4#
- 2.Qe5#
- 2.Qf5#
- 1...Qxb8
- 2.Qf5#
- 1...Rxb8
- 2.Qd5#
- 2.Qf5#
- 1...Qc5
- 2.Rf4#
- 1...Qa5
- 2.Rf4#
- 1...Qc7
- 2.Qf5#
- 1...Qd7
- 2.Rf4#
- 2.Qe5#
- 1...Qe7
- 2.Rf4#
- 2.Qf5#
- 1...Qf7
- 2.Qe5#
- 1...Rf3
- 2.Qe5#
- 1...Rg4
- 2.Qxg4#
- 2.Qe5#
- 2.Qf5#
- 1...Rg5
- 2.Rf4#
- 1...Rd5
- 2.Rf4#
- 2.Qxd5#
- 1...Rd6
- 2.Qf5#
- 1...Se2
- 2.Qe5#
- 2.Qf5#
- 1...Sf3
- 2.Re2#
- 1...Sh3
- 2.Qe5#
- 2.Qf5#
- 1...Sd6
- 2.Qd5#
- 1...Sc7
- 2.Qf5#
- 1...g6
- 2.Rf4#
- 2.Qe5#
- 1...g5!
- threat
- 1.Qxh7+?
- 1...Rg6
- 2.Qxg6#
- 1...g6!
- 1...Rg6
- 1.Bd6?
- Keys
- 1.Bc7!
- threat
- 2.Rf4#
- 2.Qe5#
- 2.Qf5#
- 1...Qxc7
- 2.Qf5#
- 1...Bxc7
- 2.Qf5#
- 1...Sxc7
- 2.Qf5#
- 1...Qc5
- 2.Rf4#
- 1...Qa5
- 2.Rf4#
- 1...Rf3
- 2.Qe5#
- 1...Rg4
- 2.Qxg4#
- 2.Qe5#
- 2.Qf5#
- 1...Rg5
- 2.Rf4#
- 1...Rd5
- 2.Rf4#
- 2.Qxd5#
- 1...Rd6
- 2.Qf5#
- 1...Se2
- 2.Qe5#
- 2.Qf5#
- 1...Sf3
- 2.Re2#
- 1...Sh3
- 2.Qe5#
- 2.Qf5#
- 1...Sd6
- 2.Qd5#
- 1...g5
- 2.Qxh7#
- 1...g6
- 2.Rf4#
- 2.Qe5#
- threat
- 1.Bc7!
This anticipates 23956(1997)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 9
- REMOVED MATES = 4
- Sets
- R(j);N_GUARD::QAB1(F),XR(j)
- R(j);S_CUTB(i)::QAR1(F)
- R(j);N_GUARD::QAB1(F)
- B(i);N_GUARD::QAR1(F),XB(i)
- B(i);S_CUTR(j)::QAB1(F)
- S(k);S_CUTB(i)::QAR1(F)
- Tries
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- R(j);XB(E)::QAB1(F)
- S(k);XB(E)::QAB1(F)
- Q(f);::R1(C)
- Q(f);::QAR1(F)
- R(c);::R1(C)
- Refutation
- P(g);
- Try
- B(E);XB(i)
- Threat
- DUALS(3)
- Vars
- Q(f);XB(E)::QAB1(F)
- Q(f);::R1(C)
- Q(f);::QAB1(F)
- Q(f);::QAR1(F)
- R(c);::QAR1(F)
- R(c);::R1(C)
- R(j);::QAB1(F)
- S(a);N_GUARD,S_CUTR(c)::R(C)
- S(k);S_CUTR(j)::QAB1(F)
- S(k);::QAB1(F)
- Refutation
- P(g);
- Try
- Q(F);CHECK,XP(h)
- Vars
- R(c);N_GUARD,P_SPINR(c)::QAB(F),XR(c)
- Refutation
- P(g);P_SPINP(g)
- Try
- Actual
- B(E);
- Threat
- DUALS(3)
- Vars
- Q(f);XB(E)::QAB1(F)
- B(i);XB(E)::QAB1(F)
- S(k);XB(E)::QAB1(F)
- Q(f);::R1(C)
- R(c);::QAR1(F)
- R(c);::R1(C)
- R(j);::QAB1(F)
- S(a);N_GUARD,S_CUTR(c)::R(C)
- S(k);S_CUTR(j)::QAB1(F)
- P(g);N_GUARD,S_CUTR(c)::QAB(F),XP(h)
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