MESON Chess Problem Database
Problem Display
PID: 37724 (6bK/2Bp2Rp/N3k1N1/rp1nP3/4P3/q7/5Q2/5r2 w - - 0 1)
Jarolin, Ivan
Prize, Nedelna Pravda, 1974
#2
8 + 9
| 3771 | FIDE Album (1974-1976) | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sf8#
- 1...Qb2
- 2.Sc5#
- 2.Sf8#
- 1...Qc5
- 2.Sxc5#
- 1...Qf8
- 2.Sxf8#
- 1...Qa1
- 2.Sc5#
- 2.Sf8#
- 1...Qa2
- 2.Sc5#
- 2.Sf8#
- 1...Qb3
- 2.Sc5#
- 2.Sf8#
- 1...Qc3
- 2.Sf8#
- 1...Qd3
- 2.Sc5#
- 2.Sf8#
- 1...Qe3
- 2.Sf8#
- 1...Qf3
- 2.Sc5#
- 1...Qg3
- 2.Sc5#
- 2.Sf8#
- 1...Qh3
- 2.Sc5#
- 2.Sf8#
- 1...Qa4
- 2.Sc5#
- 2.Sf8#
- 1...Ra1
- 2.Qf5#
- 1...Rb1
- 2.Qf5#
- 1...Rc1
- 2.Qf5#
- 1...Rd1
- 2.Qf5#
- 1...Re1
- 2.Qf5#
- 1...Rg1
- 2.Qf5#
- 1...Rh1
- 2.Qf5#
- 1...Sc3
- 2.Sf4#
- 1...Se3
- 2.Sf4#
- 1...Sb4
- 2.Sc5#
- 2.Sf4#
- 2.Sf8#
- 2.Re7#
- 1...Sf4
- 2.Sxf4#
- 1...Sb6
- 2.Sf4#
- 1...Sf6
- 2.Sf4#
- 1...Sxc7
- 2.Sxc7#
- 1...Se7
- 2.Sf4#
- 2.Sf8#
- 1...b4
- 2.Sf8#
- 1...Qc1
- Tries
- 1.Re7+?
- 1...Sxe7
- 2.Sf8#
- 1...Qxe7!
- 1...Sxe7
- 1.Qxf1?
- threat
- 2.Qf5#
- 1...Qf8
- 2.Sxf8#
- 1...Qf3
- 2.Sc5#
- 1...Qh3
- 2.Sc5#
- 2.Sf8#
- 2.Qxh3#
- 1...Se3
- 2.Sf4#
- 2.Qf6#
- 1...Sf4
- 2.Sxf4#
- 1...Se7
- 2.Sf4#
- 2.Sf8#
- 2.Qf6#
- 1...hxg6!
- threat
- 1.Qa2?
- threat
- 2.Qxd5#
- 1...Qxa2
- 2.Sc5#
- 1...Qc5
- 2.Sxc5#
- 1...Qb3
- 2.Sc5#
- 1...Qd3
- 2.Sc5#
- 2.Re7#
- 1...Rd1
- 2.Sf4#
- 1...b4
- 2.Re7#
- 1...Qd6!
- threat
- 1.Re7+?
- Keys
- 1.Qc5!
- threat
- 2.Qxd5#
- 1...Qxc5
- 2.Sxc5#
- 1...Sxc7
- 2.Sxc7#
- 2.Re7#
- 1...Qa2
- 2.Qd6#
- 1...Qb3
- 2.Qd6#
- 1...Qd3
- 2.Qd6#
- 1...Rd1
- 2.Sf8#
- 1...Sc3
- 2.Re7#
- 1...Se3
- 2.Re7#
- 1...Sb4
- 2.Re7#
- 2.Qd6#
- 2.Qe7#
- 1...Sf4
- 2.Sf8#
- 2.Re7#
- 1...Sb6
- 2.Re7#
- 1...Sf6
- 2.Sf8#
- 2.Re7#
- 1...Se7
- 2.Rxe7#
- 1...b4
- 2.Qd6#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 4
- REMOVED MATES = 14
- Sets
- Q(b);N_GUARD::S(E)
- Q(b);N_GUARD::S(D),XQ(b)
- Q(b);N_GUARD::S(E),XQ(b)
- Q(b);N_GUARD::S(D)
- R(a);N_GUARD::QAB1(A)
- S(e);N_GUARD::S(E)
- S(e);N_GUARD::S(E),XS(e)
- S(e);XB(F)::S(D),XS(e)
- P(d);S_CUTQ(b)::S(E)
- Tries
- Try
- R(G);CHECK
- Vars
- S(e);SBLOCK,XR(G)::S(E)
- Refutation
- Q(b);XR(G)
- Try
- Q(A);XR(a)
- Threat
- QAB1(A)
- Vars
- Q(b);N_GUARD::S(E),XQ(b)
- Q(b);N_GUARD::S(D)
- S(e);N_GUARD::S(E),XS(e)
- Refutation
- P(h);XS(E)
- Try
- Q(A);P_PINS(e)
- Threat
- QAB1(A),XS(e)
- Vars
- Q(b);N_GUARD,N_SPINS(e),XQ(A)::S(D)
- Q(b);N_GUARD::S(D),XQ(b)
- Q(b);N_GUARD,N_SPINS(e)::S(D)
- R(a);N_GUARD::S(E)
- P(d);S_CUTQ(b)::R1(G)
- Refutation
- Q(b);
- Try
- Actual
- Q(A);
- Threat
- QAB1(A),XS(e)
- Vars
- Q(b);XQ(A)::S(D),XQ(b)
- Q(b);N_GUARD::QAR1(A)
- R(a);N_GUARD::S(E)
- S(e);N_GUARD::R1(G)
- S(e);N_GUARD::R1(G),XS(e)
- P(d);S_CUTQ(b)::QAR1(A)
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