MESON Chess Problem Database
Problem Display
PID: 42379 (3QN3/1b3r2/8/1R6/2nBk1p1/1R3pK1/8/4n3 w - - 0 1)
van Dijk, Nils Gustav Gerard
1/3 Prize, Deutsche Schachzeitung, 1961
#2
6 + 7
| 3749 | FIDE Album (1959-1961) | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Sxf6#
- 1...Rc7
- 2.Sf6#
- 1...Re7
- 2.Sf6#
- 1...Rg7
- 2.Sf6#
- 1...Rh7
- 2.Sf6#
- 1...Bd5
- 2.Qxd5#
- 1...Ba6
- 2.Qd5#
- 1...Bc8
- 2.Qd5#
- 1...Sb2
- 2.Re3#
- 2.Re5#
- 1...Sd2
- 2.Re3#
- 2.Re5#
- 1...Sa3
- 2.Re3#
- 2.Re5#
- 1...Se3
- 2.Rxe3#
- 2.Re5#
- 1...Sa5
- 2.Re3#
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sb6
- 2.Re3#
- 2.Re5#
- 1...Rf6
- Tries
- 1.Ba1?
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Sd6#
- 2.Rxe5#
- 1...Rd7
- 2.Sf6#
- 1...Sc2
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 2.Re5#
- 1...Sb2!
- threat
- 1.Bg1?
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Sd6#
- 1...Rd7
- 2.Sf6#
- 1...Sc2
- 2.Qd3#
- 1...Se3
- 2.Rxe3#
- 1...Sd6
- 2.Sxd6#
- 1...f2!
- threat
- 1.Bb2?
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Sd6#
- 2.Rxe5#
- 1...Rd7
- 2.Sf6#
- 1...Sc2
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 2.Re5#
- 1...Sxb2!
- threat
- 1.Be3?
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Sd6#
- 1...Rd7
- 2.Sf6#
- 1...Sc2
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 1...Sxe3!
- threat
- 1.Bb6?
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Sd6#
- 1...Rd7
- 2.Sf6#
- 1...Sc2
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 2.Re3#
- 1...Sxb6!
- threat
- 1.Bf6?
- threat
- 2.Qd4#
- 1...Rxf6
- 2.Sxf6#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Rxe5#
- 1...Sc2
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 1...Rd7!
- threat
- 1.Ba7?
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Sd6#
- 1...Rd7
- 2.Sf6#
- 1...Sc2
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 2.Re3#
- 1...Sb6!
- threat
- 1.Bg7?
- threat
- 2.Qd4#
- 1...Rxg7
- 2.Sf6#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Rxe5#
- 1...Rf6
- 2.Sxf6#
- 1...Sc2
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 1...Rd7!
- threat
- 1.Bh8?
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Rxe5#
- 1...Rf6
- 2.Sxf6#
- 1...Rg7
- 2.Sf6#
- 1...Sc2
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 1...Rd7!
- threat
- 1.Ba1?
- Keys
- 1.Bf2!
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Sd6#
- 1...Rd7
- 2.Sf6#
- 1...Sc2
- 2.Qd3#
- 1...Se3
- 2.Rxe3#
- 1...Sd6
- 2.Sxd6#
- threat
- 1.Bf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(g);N_GUARD::S(F),XR(g)
- R(g);N_GUARD::S(F)
- B(f);N_GUARD::QAB1(E),XB(f)
- B(f);N_GUARD::QAB1(E)
- S(c);N_GUARD::R1(D),XS(c)
- Tries
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- B(f);N_GUARD::QAB1(E),XB(f)
- R(g);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(E)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- B(f);N_GUARD::QAB1(E),XB(f)
- S(c);N_GUARD::S(F)
- R(g);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(E)
- S(c);N_GUARD::R1(A),XS(c)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- P(b);
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- B(f);N_GUARD::QAB1(E),XB(f)
- R(g);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(E)
- Refutation
- S(c);XB(C)
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- B(f);N_GUARD::QAB1(E),XB(f)
- S(c);N_GUARD::S(F)
- R(g);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(E)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- S(c);XB(C)
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- B(f);N_GUARD::QAB1(E),XB(f)
- S(c);N_GUARD::S(F)
- R(g);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(E)
- Refutation
- S(c);XB(C)
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- R(g);XB(C)::S(F),XR(g)
- B(f);N_GUARD::QAB1(E),XB(f)
- S(c);N_GUARD::R1(D),XS(c)
- S(a);N_GUARD::QAB1(E)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- R(g);
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- B(f);N_GUARD::QAB1(E),XB(f)
- S(c);N_GUARD::S(F)
- R(g);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(E)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- R(g);N_GUARD,XB(C)::S(F)
- B(f);N_GUARD::QAB1(E),XB(f)
- S(c);N_GUARD::R1(D),XS(c)
- R(g);N_GUARD::S(F),XR(g)
- S(a);N_GUARD::QAB1(E)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- R(g);
- Try
- B(C);
- Threat
- QAR1(E)
- Vars
- B(f);N_GUARD::QAB1(E),XB(f)
- S(c);N_GUARD::R1(D),XS(c)
- R(g);N_GUARD::S(F),XR(g)
- R(g);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(E)
- S(c);N_GUARD::S(F),XS(c)
- Refutation
- R(g);
- Try
- Actual
- B(C);
- Threat
- QAR1(E)
- Vars
- B(f);N_GUARD::QAB1(E),XB(f)
- S(c);N_GUARD::S(F)
- R(g);N_GUARD::S(F)
- S(a);N_GUARD::QAB1(E)
- S(c);N_GUARD::R1(A),XS(c)
- S(c);N_GUARD::S(F),XS(c)
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