MESON Chess Problem Database
Problem Display
PID: 24458 (5RB1/p5PQ/Rn3PNK/5k1P/1p6/1PpP4/4N1P1/B7 w - - 0 1)
Heinonen, Erkki
2nd Prize, BCPS, 1952
#2
14 + 5
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Kg4
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sd5
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Be6#
- 1...Sc8
- 2.Be6#
- 1...c2
- 2.Se5#
- 1...Kg4
- Tries
- 1.Sh4+?
- 1...Kg4
- 2.Qe4#
- 1...Ke5!
- 1...Kg4
- 1.Se7+?
- 1...Kg4
- 2.Qe4#
- 1...Ke5!
- 1...Kg4
- 1.Sh8+?
- 1...Kg4
- 2.Qe4#
- 1...Ke5!
- 1...Kg4
- 1.Bb2?
- 1...Kg4
- 2.Be6#
- 1...c2
- 2.Se5#
- 1...Sa4
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sd5
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Be6#
- 1...Sc8
- 2.Be6#
- 1...cxb2!
- 1...Kg4
- 1.Bxc3?
- threat
- 2.Se5#
- 1...Kg4
- 2.Be6#
- 1...bxc3!
- threat
- 1.Bd5?
- 1...Kg4
- 2.Be6#
- 1...c2
- 2.Se5#
- 1...Sa4
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Be6#
- 1...Sc8
- 2.Be6#
- 1...Sxd5!
- 1...Kg4
- 1.Bf7?
- 1...Kg4
- 2.Be6#
- 1...Kxf6
- 2.Bc4#
- 2.Bd5#
- 2.Bg8#
- 1...Sa4
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sd5
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Be6#
- 1...Sc8
- 2.Be6#
- 1...c2!
- 1...Kg4
- 1.Ra5+?
- 1...Kg4
- 2.Be6#
- 2.Rg5#
- 1...Sd5!
- 1...Kg4
- 1.Rxb6?
- threat
- 2.Be6#
- 1...Kg4
- 2.Be6#
- 1...axb6!
- threat
- 1.Qh8?
- 1...Kg4
- 2.Be6#
- 1...Sa4
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sd5
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Be6#
- 1...Sc8
- 2.Be6#
- 1...c2!
- 1...Kg4
- 1.g3?
- 1...c2
- 2.Se5#
- 1...Sa4
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sd5
- 2.Be6#
- 1...Sd7
- 2.Be6#
- 1...Sa8
- 2.Be6#
- 1...Sc8
- 2.Be6#
- 1...Kg4!
- 1...c2
- 1.d4?
- threat
- 2.Se5#
- 1...Kg4
- 2.Be6#
- 1...Ke4!
- threat
- 1.Sh4+?
- Keys
- 1.Re8!
- 1...Kg4
- 2.Be6#
- 1...Kxf6
- 2.Rf8#
- 1...c2
- 2.Be6#
- 1...Sa4
- 2.Se5#
- 1...Sc4
- 2.Se5#
- 1...Sd5
- 2.Se5#
- 1...Sd7
- 2.Se5#
- 1...Sa8
- 2.Se5#
- 1...Sc8
- 2.Se5#
- 1...Kg4
- 1.Re8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::B(N)
- S(d);::B(N)
- P(a);::QAB(L)+S(I)
- Tries
- Try
- S(I);CHECK
- Vars
- K(c);OGATE,S_FLIGHT::QAR2(L)
- Refutation
- K(c);P-FLIGHT,P_SPINP(a)
- Try
- S(I);CHECK
- Vars
- K(c);OGATE,S_FLIGHT::QAR2(L)
- Refutation
- K(c);P-FLIGHT,P_SPINP(a)
- Try
- S(I);CHECK
- Vars
- K(c);OGATE,S_FLIGHT::QAR2(L)
- Refutation
- K(c);P-FLIGHT,P_SPINP(a)
- Try
- B(A);
- Vars
- K(c);S_FLIGHT::B(N)
- P(a);::QAB(L)+S(I)
- S(d);::B(N)
- Refutation
- P(a);XB(A)
- Try
- B(A);XP(a)
- Threat
- QAB(L)+S(I)
- Vars
- K(c);S_FLIGHT::B(N)
- Refutation
- P(b);XB(A)
- Try
- B(N);
- Vars
- K(c);S_FLIGHT::B(N)
- P(a);::QAB(L)+S(I)
- S(d);::B(N)
- Refutation
- S(d);XB(N)
- Try
- B(N);
- Vars
- K(c);S_FLIGHT::B(N)
- S(d);::B(N)
- Refutation
- P(a);
- Try
- R(G);CHECK
- Refutation
- S(d);P_SPINS(d)
- Try
- R(G);XS(d)
- Threat
- B(N)
- Vars
- K(c);S_FLIGHT::B(N)
- Refutation
- P(e);XR(G)
- Try
- Q(L);
- Vars
- K(c);S_FLIGHT::B(N)
- S(d);::B(N)
- Refutation
- P(a);
- Try
- P(C);
- Vars
- P(a);::QAB(L)+S(I)
- S(d);::B(N)
- Refutation
- K(c);S_FLIGHT
- Try
- P(E);
- Threat
- QAB(L)+S(I)
- Vars
- K(c);S_FLIGHT::B(N)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- R(M);
- Vars
- K(c);S_FLIGHT::B(N)
- K(c);OGATEB,P-FLIGHT,P_SPINP(a),P_SPINS(d),XP(H)::R(M)
- P(a);::B(N)
- S(d);::QAB(L)+S(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).