MESON Chess Problem Database
Problem Display
PID: 64582 (Q7/4R2p/1P2q3/1NnNkpP1/1P5R/4p3/2P3r1/1K4bB w - - 0 1)
Heinonen, Unto
5th HM., Myllyniemi-50 JT, 1980
#2
11 + 8
| 117 | Suomen Shakki | 1981 |
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Qb8#
- 2.Qh8#
- 1...Rd2
- 2.Qb8#
- 2.Qh8#
- 1...Re2
- 2.Qa1#
- 2.Qb8#
- 2.Qh8#
- 1...Rf2
- 2.Qa1#
- 2.Qb8#
- 2.Qh8#
- 1...Rh2
- 2.Qa1#
- 2.Qb8#
- 2.Qh8#
- 1...Rg3
- 2.Qa1#
- 2.Qb8#
- 2.Qh8#
- 1...Rg4
- 2.Qb8#
- 2.Qh8#
- 1...Rxg5
- 2.Qa1#
- 2.Qb8#
- 1...Rxc2
- Tries
- 1.Sdc3?
- threat
- 2.Qd5#
- 2.Qb8#
- 2.Qh8#
- 1...Qxe7
- 2.Qd5#
- 1...Rg4
- 2.Qb8#
- 1...f4
- 2.Qd5#
- 1...Rd2
- 2.Qh8#
- 1...Se4
- 2.Qd5#
- 1...Sa6
- 2.Qd5#
- 2.Qh8#
- 1...Sb7
- 2.Qh8#
- 1...Sd7
- 2.Qd5#
- 1...Rxg5!
- threat
- 1.Sxe3?
- threat
- 2.Sc4#
- 2.Qd5#
- 2.Qa1#
- 2.Qb8#
- 2.Qh8#
- 1...Qxe7
- 2.Qd5#
- 1...Rxc2
- 2.Qd5#
- 2.Qb8#
- 2.Qh8#
- 1...Rxg5
- 2.Qa1#
- 1...Rg4
- 2.Qb8#
- 1...Rd2
- 2.Sc4#
- 2.Qh8#
- 1...Sb3
- 2.Sc4#
- 2.Qd5#
- 2.Qb8#
- 2.Qh8#
- 1...Sd3
- 2.Sc4#
- 2.Qd5#
- 2.Qb8#
- 2.Qh8#
- 1...Sa4
- 2.Sc4#
- 2.Qd5#
- 2.Qb8#
- 2.Qh8#
- 1...Se4
- 2.Sc4#
- 2.Qd5#
- 1...Sa6
- 2.Sc4#
- 2.Qd5#
- 2.Qh8#
- 1...Sb7
- 2.Qa1#
- 2.Qh8#
- 1...Sd7
- 2.Sc4#
- 2.Qd5#
- 2.Qa1#
- 1...f4
- 2.Qd5#
- 1...Bxe3!
- threat
- 1.Sf6?
- threat
- 2.Qd5#
- 2.Qa1#
- 2.Qb8#
- 1...Qxe7
- 2.Qd5#
- 1...Rxc2
- 2.Qd5#
- 2.Qb8#
- 1...Rxg5
- 2.Qa1#
- 1...Rg4
- 2.Qb8#
- 1...f4
- 2.Qd5#
- 1...Sb3
- 2.Sd7#
- 2.Qd5#
- 2.Qb8#
- 1...Sd3
- 2.Sd7#
- 2.Qd5#
- 2.Qb8#
- 1...Sa4
- 2.Sd7#
- 2.Qd5#
- 2.Qb8#
- 1...Se4
- 2.Sd7#
- 2.Qd5#
- 1...Sa6
- 2.Sd7#
- 2.Qd5#
- 1...Sb7
- 2.Qa1#
- 1...Sd7
- 2.Sxd7#
- 2.Qd5#
- 2.Qa1#
- 1...e2
- 2.Qd5#
- 2.Qb8#
- 1...Rd2!
- threat
- 1.Sdc7?
- threat
- 2.Qd5#
- 2.Qa1#
- 2.Qh8#
- 1...Qxe7
- 2.Qd5#
- 2.Qa1#
- 1...Rxc2
- 2.Qd5#
- 2.Qh8#
- 1...Rxg5
- 2.Qa1#
- 1...f4
- 2.Qd5#
- 1...Rd2
- 2.Qh8#
- 1...Sb3
- 2.Rxe6#
- 2.Qd5#
- 2.Qh8#
- 1...Sd3
- 2.Rxe6#
- 2.Qd5#
- 2.Qh8#
- 1...Sa4
- 2.Rxe6#
- 2.Qd5#
- 2.Qh8#
- 1...Se4
- 2.Rxe6#
- 2.Qd5#
- 1...Sa6
- 2.Rxe6#
- 2.Qd5#
- 2.Qh8#
- 1...Sb7
- 2.Rxe6#
- 2.Qa1#
- 2.Qh8#
- 1...Sd7
- 2.Rxe6#
- 2.Qd5#
- 2.Qa1#
- 1...e2
- 2.Qd5#
- 2.Qh8#
- 1...Rg4!
- threat
- 1.Sdc3?
- Keys
- 1.Sf4!
- threat
- 2.Qd5#
- 1...Rxg5
- 2.Qa1#
- 1...Rg4
- 2.Qb8#
- 1...Sb7
- 2.Rxe6#
- 1...Rd2
- 2.Qh8#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(g);N_SPINQ(g),XR(J)::QAR1(K)
- R(b);::QAB(K)
- P(f);::QAR1(K)
- S(d);::QAR1(K)
- S(d);::QAB(K)
- Refutation
- R(b);XP(H)
- Try
- S(G);XP(c)
- Threat
- DUALS(5)
- Vars
- Q(g);N_SPINQ(g),XR(J)::QAR1(K)
- R(b);XP(H)::QAB(K)
- R(b);::QAB(K)
- P(f);::QAR1(K)
- Refutation
- B(a);XS(G)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(g);N_SPINQ(g),XR(J)::QAR1(K)
- R(b);XP(H)::QAB(K)
- R(b);::QAB(K)
- P(f);::QAR1(K)
- S(d);::QAB(K)
- Refutation
- R(b);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(b);XP(H)::QAB(K)
- P(f);::QAR1(K)
- R(b);::QAB(K)
- Refutation
- R(b);
- Try
- Actual
- S(G);
- Threat
- QAR1(K)
- Vars
- R(b);XP(H)::QAB(K)
- R(b);::QAB(K)
- S(d);N_GUARD::R1(J),XQ(g)
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