MESON Chess Problem Database
Problem Display
PID: 243303 (8/1N6/3p1P1b/3kBQ2/1p2r1p1/4pnP1/1KR3B1/5N2 w - - 0 1)
Andersson, Gunnar
Skakbladet, 1934
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Bf4#
- 2.Bxd6#
- 1...Rf4
- 2.Sxe3#
- 1...Se1
- 2.Bxe4#
- 1...Sg1
- 2.Bxe4#
- 1...Sh2
- 2.Bxe4#
- 1...Sd4
- 2.Bxe4#
- 1...Sh4
- 2.Bxe4#
- 1...Sg5
- 2.Sxe3#
- 1...dxe5
- 2.Qd7#
- 1...Rd4
- Tries
- 1.Bxf3?
- threat
- 2.Bxe4#
- 1...dxe5
- 2.Qd7#
- 1...gxf3!
- threat
- 1.Bxd6+?
- 1...Re5
- 2.Qxe5#
- 1...Se5
- 2.Qxe5#
- 1...Kd4!
- 1...Re5
- 1.Bxf3?
- Keys
- 1.Sd8!
- threat
- 2.Qe6#
- 1...Rxe5
- 2.Qd3#
- 1...Sxe5
- 2.Qxe4#
- 1...dxe5
- 2.Qd7#
- 1...Rc4
- 2.Bc3#
- 1...Rd4
- 2.Bf4#
- 1...Rf4
- 2.Sxe3#
- 1...Sd4
- 2.Bxe4#
- 2.Qxe4#
- 1...Sg5
- 2.Sxe3#
- threat
- 1.Sd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(d);N_GUARD,P_SPINS(b),S_CUTB(h)::S(A),XP(a)
- S(b);OGATE,P_SPINR(d)::B(D),XR(d)
- S(b);P_SPINR(d),S_CUTB(h)::S(A),XP(a)
- P(g);OGATEB,P_SPINP(g),SBLOCK,XB(F)::QAR2(G)
- Tries
- Try
- B(D);P_PINR(d),XS(b)
- Threat
- B(D),XR(d)
- Vars
- P(g);OGATEB,P_SPINP(g),SBLOCK,XB(F)::QAR2(G)
- Refutation
- P(e);N_SPINR(d),XB(D)
- Try
- B(F);CHECK,XP(g)
- Vars
- R(d);N_GUARD,P_SPINR(d),P_SPINS(b)::QAR1(G),XR(d)
- S(b);N_GUARD,P_SPINR(d),P_SPINS(b)::QAR1(G),XS(b)
- Refutation
- K(f);P-FLIGHT
- Try
- Actual
- S(I);
- Threat
- QAB1(G)
- Vars
- R(d);OGATE,P_SPINR(d),P_SPINS(b),SBLOCK,XB(F)::QAR2(G)
- S(b);P_SPINR(d),P_SPINS(b),XB(F)::QAB1(G),XR(d)
- P(g);OGATEB,P_SPINP(g),SBLOCK,XB(F)::QAR2(G)
- R(d);N_GUARD,P_SPINS(b),SBLOCK::QAR(G)+B(F)
- R(d);N_GUARD,P_SPINS(b),S_CUTB(h)::S(A),XP(a)
- S(b);P_SPINR(d),S_CUTB(h)::S(A),XP(a)
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).