MESON Chess Problem Database
Problem Display
PID: 121729 (2b4Q/4p2K/4Pr2/2P1k3/5R2/p2P3p/B1n4B/8 w - - 0 1)
Hellstrom, Ake
Source?, 1937
#2
8 + 7
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Ba6
- 2.Qb8#
- 1...Bxe6
- 2.Qb8#
- 1...Bb7
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rxf6#
- 1...Ba6
- Tries
- 1.Bb3?
- 1...Bxe6
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bb7
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rxf6#
- 1...a2!
- 1...Bxe6
- 1.Bc4?
- 1...Bxe6
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bb7
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rxf6#
- 1...a2!
- 1...Bxe6
- 1.Bg3?
- 1...Bxe6
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bb7
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rxf6#
- 1...h2!
- 1...Bxe6
- 1.Bb3?
- Keys
- 1.Kg7!
- 1...Rg6+
- 2.Kxg6#
- 1...Rf7+
- 2.Kxf7#
- 1...Rxf4
- 2.Kg6#
- 1...Rxe6
- 2.Qh5#
- 1...Bxe6
- 2.Qb8#
- 1...Rf5
- 2.Re4#
- 1...Rh6
- 2.Kxh6#
- 1...Rf8
- 2.Kxf8#
- 1...Ba6
- 2.Qb8#
- 1...Bb7
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Sa1
- 2.d4#
- 1...Se1
- 2.d4#
- 1...Se3
- 2.d4#
- 1...Sb4
- 2.d4#
- 1...Sd4
- 2.Rxf6#
- 1...Rg6+
- 1.Kg7!
Anticipated by 609(1882)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- B(g);OGATE::QAB(H)
- B(g);OGATE,XP(F)::QAB(H)
- S(a);N_GUARD::P(C)
- Tries
- Try
- B(A);
- Vars
- B(g);OGATE,XP(F)::QAB(H)
- B(g);OGATE::QAB(H)
- S(a);N_GUARD::P(C)
- Refutation
- P(b);
- Try
- B(A);
- Vars
- B(g);OGATE,XP(F)::QAB(H)
- B(g);OGATE::QAB(H)
- S(a);N_GUARD::P(C)
- Refutation
- P(b);
- Try
- B(B);
- Vars
- B(g);OGATE,XP(F)::QAB(H)
- B(g);OGATE::QAB(H)
- S(a);N_GUARD::P(C)
- Refutation
- P(c);
- Try
- Actual
- K(G);N_PINR(e),P-FLIGHT
- Vars
- R(e);CHECK::QAB(H)+K(G),XR(e)
- R(e);P_SPINR(e),XR(D)::QAB(H)+K(G)
- R(e);N_GUARD,XP(F)::QAR(H)
- B(g);OGATE,XP(F)::QAB(H)
- R(e);SBLOCK::B(B)+R(D),DCHECK
- R(e);::QAB(H)+K(G),XR(e)
- B(g);OGATE::QAB(H)
- S(a);N_GUARD::P(C)
- S(a);SBLOCK::B(B)+R(D),XR(e)
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).