MESON Chess Problem Database
Problem Display
PID: 241 (2bN4/B3R3/3k1P1n/1P1B3R/Kb1p2r1/4n3/3N4/8 w - - 0 1)
Jonsson, Gustav
Springaren, 1950
#2
9 + 7
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Se4#
- 1...Rg2
- 2.Se4#
- 1...Rg3
- 2.Se4#
- 1...Re4
- 2.Sxe4#
- 1...Rg6
- 2.Se4#
- 1...Rg7
- 2.Se4#
- 1...Rg8
- 2.Se4#
- 1...Bc5
- 2.Bb8#
- 1...Be6
- 2.Sb7#
- 1...Bb7
- 2.Sxb7#
- 1...Sd1
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sg2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxd5
- 2.Sc4#
- 1...Sf7
- 2.Sxf7#
- 1...Sg8
- 2.Sf7#
- 1...Rg1
- Tries
- 1.Bh1?
- threat
- 2.Bb8#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5
- 2.Sf7#
- 1...Rg5!
- threat
- 1.Ba2?
- threat
- 2.Bb8#
- 1...Rg5
- 2.Se4#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Shf5
- 2.Sf7#
- 1...Sef5!
- threat
- 1.Bg2?
- threat
- 2.Bb8#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5
- 2.Sf7#
- 1...Rg5!
- threat
- 1.Bb3?
- threat
- 2.Bb8#
- 1...Rg5
- 2.Se4#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Shf5
- 2.Sf7#
- 1...Sef5!
- threat
- 1.Bf3?
- threat
- 2.Bb8#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5
- 2.Sf7#
- 1...Rg5!
- threat
- 1.Bc4?
- threat
- 2.Bb8#
- 1...Rg5
- 2.Se4#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Rxd5#
- 1...Shf5
- 2.Sf7#
- 1...Sef5!
- threat
- 1.Be4?
- threat
- 2.Bb8#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5
- 2.Sf7#
- 1...Rg5!
- threat
- 1.Be6?
- threat
- 2.Bb8#
- 1...Sef5
- 2.Sc4#
- 1...Shf5
- 2.Sf7#
- 1...Ba5
- 2.Bc5#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Rg5!
- threat
- 1.Bb7?
- threat
- 2.Bb8#
- 1...Rg5
- 2.Se4#
- 1...Ba5
- 2.Bc5#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5
- 2.Sf7#
- 1...Bf5!
- threat
- 1.Bf7?
- threat
- 2.Bb8#
- 1...Rg5
- 2.Se4#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5!
- threat
- 1.Ba8?
- threat
- 2.Bb8#
- 1...Rg5
- 2.Se4#
- 1...Ba5
- 2.Bc5#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5
- 2.Sf7#
- 1...Bf5!
- threat
- 1.Bg8?
- threat
- 2.Bb8#
- 1...Rg5
- 2.Se4#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5!
- threat
- 1.Bh1?
- Keys
- 1.Bc6!
- threat
- 2.Bb8#
- 1...Rg5
- 2.Se4#
- 1...Ba5
- 2.Bc5#
- 1...Bf5
- 2.Sb7#
- 1...Sd5
- 2.Sc4#
- 2.Rxd5#
- 1...Sef5
- 2.Sc4#
- 1...Shf5
- 2.Sf7#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 18
- Sets
- R(d);N_GUARD::S(A)
- R(d);N_GUARD::S(A),XR(d)
- B(b);SBLOCK::B(G)
- B(g);N_GUARD::S(I)
- B(g);N_GUARD::S(I),XB(g)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD,XB(D)::S(A)
- S(f);N_GUARD::S(I),XS(f)
- S(f);N_GUARD::S(I)
- Tries
- Try
- B(D);
- Threat
- B(G)
- Vars
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(a);N_GUARD::S(A)
- S(f);N_GUARD::S(I)
- Refutation
- R(d);
- Try
- B(D);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A)
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(f);N_GUARD::S(I)
- Refutation
- S(a);
- Try
- B(D);
- Threat
- B(G)
- Vars
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(a);N_GUARD::S(A)
- S(f);N_GUARD::S(I)
- Refutation
- R(d);
- Try
- B(D);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A)
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(f);N_GUARD::S(I)
- Refutation
- S(a);
- Try
- B(D);
- Threat
- B(G)
- Vars
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(a);N_GUARD::S(A)
- S(f);N_GUARD::S(I)
- Refutation
- R(d);
- Try
- B(D);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A)
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(a);N_GUARD::R1(E),XS(a)
- S(f);N_GUARD::S(I)
- Refutation
- S(a);
- Try
- B(D);
- Threat
- B(G)
- Vars
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(a);N_GUARD::S(A)
- S(f);N_GUARD::S(I)
- Refutation
- R(d);
- Try
- B(D);
- Threat
- B(G)
- Vars
- S(a);N_GUARD::S(A)
- S(f);N_GUARD::S(I)
- B(b);N_GUARD::B(G)
- Refutation
- R(d);
- Try
- B(D);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A)
- B(b);N_GUARD::B(G)
- S(a);N_GUARD::S(A)
- S(f);N_GUARD::S(I)
- Refutation
- B(g);
- Try
- B(D);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A)
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(a);N_GUARD::S(A)
- Refutation
- S(f);
- Try
- B(D);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A)
- B(b);N_GUARD::B(G)
- S(a);N_GUARD::S(A)
- S(f);N_GUARD::S(I)
- Refutation
- B(g);
- Try
- B(D);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A)
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(a);N_GUARD::S(A)
- Refutation
- S(f);
- Try
- Actual
- B(D);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A)
- B(b);N_GUARD::B(G)
- B(g);N_GUARD::S(I)
- S(a);N_GUARD::S(A)
- S(f);N_GUARD::S(I)
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