MESON Chess Problem Database
Problem Display
PID: 45867 (7b/KQ6/5p2/1N1rNkrP/2B2P2/3p1pRP/3B4/8 w - - 0 1)
Fjellstrom, Zakarias
1st Prize, Springaren, 1960
#2
10 + 7
| 3749 | FIDE Album (1959-1961) | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Bxd3#
- 1...Ke6
- 2.Qd7#
- 1...Rd4
- 2.Sxd4#
- 1...Rc5
- 2.Sd4#
- 2.Sd6#
- 1...Rxe5
- 2.Sd4#
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Ke4
- Tries
- 1.Sd4+?
- 1...Ke4
- 2.Qxd5#
- 1...Rxd4!
- 1...Ke4
- 1.Sd6+?
- 1...Ke6
- 2.Qd7#
- 1...Rxd6!
- 1...Ke6
- 1.Sxf3?
- threat
- 2.Qxd5#
- 1...Ke4
- 2.Sd6#
- 1...Ke6
- 2.Sfd4#
- 1...Rxb5
- 2.Sd4#
- 2.Sh4#
- 1...Rd4
- 2.Sfxd4#
- 2.Sh4#
- 2.Sbxd4#
- 1...Rc5
- 2.Sfd4#
- 2.Sh4#
- 2.Sbd4#
- 2.Sd6#
- 1...Re5
- 2.Sfd4#
- 2.Sh4#
- 2.Sbd4#
- 2.Sd6#
- 1...Rd6
- 2.Sh4#
- 2.Sxd6#
- 1...Rd7
- 2.Sh4#
- 1...Rd8
- 2.Sh4#
- 1...Rg7!
- threat
- 1.Bxd3+?
- 1...Ke6
- 2.Qf7#
- 1...Rxd3!
- 1...Ke6
- 1.Bxd5?
- threat
- 2.Sd4#
- 2.Sd6#
- 2.Qc8#
- 2.Qd7#
- 1...Rg7
- 2.Sd4#
- 2.Sd6#
- 1...Rg8
- 2.Sd4#
- 2.Sd6#
- 2.Qd7#
- 1...fxe5!
- threat
- 1.Rxg5+?
- 1...Ke4
- 2.Bxd3#
- 2.Bxd5#
- 2.Qxd5#
- 1...Ke6
- 2.Bxd5#
- 2.Qd7#
- 2.Qf7#
- 1...fxg5!
- 1...Ke4
- 1.Qxd5?
- threat
- 2.Sd4#
- 2.Sd6#
- 2.Sxd3#
- 2.Sxf3#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 2.Bxd3#
- 2.Qxd3#
- 1...Rg7+
- 2.Sd7#
- 2.Sf7#
- 1...Rxh5
- 2.Sd4#
- 2.Sd6#
- 2.Sxd3#
- 2.Sxf3#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 2.Bxd3#
- 2.Qxd3#
- 1...Rg4
- 2.Sd4#
- 2.Sd6#
- 2.Sxd3#
- 2.Sxf3#
- 2.Sxg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 2.Bxd3#
- 2.Qxd3#
- 2.hxg4#
- 1...Rg6
- 2.Sd4#
- 2.Sd6#
- 2.Sxd3#
- 2.Sxf3#
- 2.Sg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 2.Bxd3#
- 2.Qxd3#
- 1...f2
- 2.Sd4#
- 2.Sd6#
- 2.Sxd3#
- 2.Sf3#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 2.Bxd3#
- 2.Qxd3#
- 1...fxe5!
- threat
- 1.Qd7+?
- 1...Ke4
- 2.Bxd5#
- 1...Rxd7+!
- 1...Ke4
- 1.Qh7+?
- 1...Ke6
- 2.Qd7#
- 1...Rg6!
- 1...Ke6
- 1.Sd4+?
- Keys
- 1.Sf7!
- threat
- 2.Qxd5#
- 1...Ke4
- 2.Sfd6#
- 1...Ke6
- 2.Sd4#
- 1...Rxb5
- 2.Sd6#
- 2.Sh6#
- 1...Rd4
- 2.Sxd4#
- 2.Sh6#
- 1...Rc5
- 2.Sd4#
- 2.Sbd6#
- 2.Sfd6#
- 2.Sh6#
- 1...Re5
- 2.Sd4#
- 2.Sbd6#
- 2.Sfd6#
- 2.Sh6#
- 1...Rd6
- 2.Sbxd6#
- 2.Sfxd6#
- 2.Sh6#
- 1...Rd7
- 2.Sh6#
- 1...Rd8
- 2.Sh6#
- threat
- 1.Sf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- K(d);P_SPINR(c),S_FLIGHT::B(D),XP(a)
- K(d);P_SPINR(c),S_FLIGHT::QAB1(J)
- R(c);N_GUARD::S(F),XR(c)
- Tries
- Try
- S(F);CHECK
- Vars
- K(d);P_SPINR(c),S_FLIGHT::QAB1(J),XR(c)
- Refutation
- R(c);XS(F)
- Try
- S(F);CHECK
- Vars
- K(d);P_SPINR(c),S_FLIGHT::QAB1(J)
- Refutation
- R(c);XS(F)
- Try
- S(G);XP(b)
- Threat
- QAR2(J),XR(c)
- Vars
- K(d);P_SPINR(c),S_FLIGHT::S(F)
- K(d);P_SPINR(c),S_FLIGHT::S(G)
- R(c);P_PINQ(J)::S(G)
- R(c);::S(G)
- Refutation
- R(e);P_PINQ(J)
- Try
- B(D);CHECK,XP(a)
- Vars
- K(d);S_FLIGHT::QAB1(J)
- Refutation
- R(c);XB(D)
- Try
- B(D);XR(c)
- Threat
- DUALS(4)
- Refutation
- P(f);XS(G)
- Try
- R(B);CHECK,XR(e)
- Refutation
- P(f);XR(B)
- Try
- Q(J);XR(c)
- Threat
- DUALS(11)
- Refutation
- P(f);P_SPINP(f),XS(G)
- Try
- Q(J);CHECK
- Vars
- K(d);S_FLIGHT::B(D),XR(c)
- Refutation
- R(c);CHECK,XQ(J)
- Try
- Q(J);CHECK
- Vars
- K(d);P_SPINR(c),S_FLIGHT::QAB1(J)
- Refutation
- R(e);P_SPINR(e)
- Try
- Actual
- S(G);
- Threat
- QAR2(J),XR(c)
- Vars
- K(d);P_SPINR(c),S_FLIGHT::S(G)
- K(d);P_SPINR(c),S_FLIGHT::S(F)
- R(c);P_PINQ(J)::S(G)
- R(c);::S(G)
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