MESON Chess Problem Database
Problem Display
PID: 162135 (6Kb/Q2BR3/2ppn1R1/1p1k1N2/1P3r2/3PrP2/4N2B/5n2 w - - 0 1)
Thomas, Georg
Skakbladet, 1939
#2
11 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Sc3#
- 1...Rxf3
- 2.Qa2#
- 1...Rd4
- 2.Sc3#
- 1...Rxf5
- 2.Qa2#
- 1...Be5
- 2.Bxe6#
- 1...Sd4
- 2.Sc3#
- 2.Sxf4#
- 2.Rxd6#
- 1...Sc5
- 2.Sxf4#
- 2.Rxd6#
- 1...Sg5
- 2.Sxf4#
- 2.Rxd6#
- 1...Sc7
- 2.Sxf4#
- 2.Rxd6#
- 1...Sg7
- 2.Sc3#
- 2.Sxf4#
- 2.Rxd6#
- 1...Sd8
- 2.Sxf4#
- 2.Rxd6#
- 1...Sf8
- 2.Sxf4#
- 2.Rxd6#
- 1...Re5
- Tries
- 1.Sxf4+?
- 1...Sxf4
- 2.Rxd6#
- 2.Qa2#
- 1...Ke5!
- 1...Sxf4
- 1.Sxe3+?
- 1...Ke5
- 2.Bxf4#
- 2.Rgxe6#
- 2.Rexe6#
- 2.Qd4#
- 2.Qa1#
- 2.d4#
- 1...Sxe3!
- 1...Ke5
- 1.Bxf4?
- threat
- 2.Qa2#
- 1...Rxd3
- 2.Bxe6#
- 1...Re4
- 2.fxe4#
- 1...Sd2
- 2.Sxe3#
- 1...Sd4
- 2.Sc3#
- 2.Rxd6#
- 1...Sc5
- 2.Rxd6#
- 1...c5
- 2.Qb7#
- 2.Qa8#
- 1...Rxe2!
- threat
- 1.Bxc6+?
- 1...Kxc6
- 2.Qb7#
- 1...Ke5!
- 1...Kxc6
- 1.Bxe6+?
- 1...Ke5
- 2.Bxf4#
- 2.Qd4#
- 2.Qa1#
- 2.d4#
- 1...Rxe6!
- 1...Ke5
- 1.Qxe3?
- threat
- 2.Bxe6#
- 2.Qxe6#
- 1...Rxb4
- 2.Bxe6#
- 1...Re4
- 2.Qxe4#
- 2.fxe4#
- 1...Be5
- 2.Bxe6#
- 1...Sd4
- 2.Sc3#
- 2.Sxf4#
- 2.Rxd6#
- 1...Sc5
- 2.Sxf4#
- 2.Rxd6#
- 1...Sg5
- 2.Sxf4#
- 2.Rxd6#
- 1...Sc7
- 2.Sxf4#
- 2.Rxd6#
- 1...Sg7
- 2.Sc3#
- 2.Sxf4#
- 2.Rxd6#
- 1...Sd8
- 2.Sxf4#
- 2.Rxd6#
- 1...Sf8
- 2.Sxf4#
- 2.Rxd6#
- 1...c5
- 2.Qxe6#
- 1...Sxe3!
- threat
- 1.Qd4+?
- 1...Rxd4
- 2.Sc3#
- 1...Sxd4
- 2.Sc3#
- 2.Sxf4#
- 2.Rxd6#
- 1...Bxd4!
- 1...Rxd4
- 1.Qc5+?
- 1...Sxc5
- 2.Sxf4#
- 2.Rxd6#
- 1...dxc5!
- 1...Sxc5
- 1.Qa2+?
- 1...Ke5
- 2.Qxe6#
- 1...Rc4!
- 1...Ke5
- 1.Sxf4+?
- Keys
- 1.Rg5!
- threat
- 2.Sxe3#
- 1...Ke5
- 2.Qd4#
- 1...Rxe2
- 2.Se3#
- 1...Rxd3
- 2.Se3#
- 1...Rexf3
- 2.Se3#
- 1...Rxf5
- 2.Qa2#
- 1...Sxg5
- 2.Sxf4#
- 1...Ree4
- 2.Se3#
- 1...Re5
- 2.Sc3#
- 1...Be5
- 2.Bxe6#
- threat
- 1.Rg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- R(b);SBLOCK,S_CUTB(i)::S(A)
- R(c);N_GUARD,XP(D)::QAB(H)
- R(c);S_CUTB(i)::S(A)
- R(c);N_GUARD,XS(F)::QAB(H)
- B(i);SBLOCK,S_CUTR(b)::B(I),XS(h)
- Tries
- Try
- S(A);CHECK,XR(c)
- Refutation
- K(e);P-FLIGHT,P_SPINS(h)
- Try
- S(F);CHECK,XR(b)
- Refutation
- S(a);XS(F)
- Try
- B(B);XR(c)
- Threat
- QAB(H)
- Vars
- R(b);N_GUARD,XP(C)::B(I),XS(h)
- R(b);OGATE::P(D),XR(b)
- S(a);N_GUARD::S(F),XR(b)
- S(h);OGATE::R1(G),XP(g)
- Refutation
- R(b);XS(A)
- Try
- B(I);CHECK,XP(f)
- Vars
- K(e);S_FLIGHT,XB(I)::QAB1(H)
- Refutation
- K(e);P-FLIGHT,P_SPINR(c),P_SPINS(h)
- Try
- B(I);CHECK,XS(h)
- Refutation
- R(b);XB(I)
- Try
- Q(H);XR(b)
- Threat
- DUALS(2)
- Vars
- R(c);XP(E)::B(I),XS(h)
- B(i);::B(I),XS(h)
- P(f);::QAB1(H),XS(h)
- Refutation
- S(a);XQ(H)
- Try
- Q(H);CHECK
- Vars
- R(c);XQ(H)::S(A)
- Refutation
- B(i);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- P(g);XQ(H)
- Try
- Q(H);CHECK
- Vars
- K(e);OGATE,P-FLIGHT,P_SPINR(c),P_SPINS(h)::QAR1(H),XS(h)
- Refutation
- R(c);P_SPINR(c)
- Try
- Actual
- R(G);
- Threat
- R(G)+S(F),DCHECK,XR(b)
- Vars
- K(e);P-FLIGHT,P_SPINR(c),P_SPINS(h)::QAB1(H)
- R(b);XS(A)::R(G)+S(F),DCHECK
- R(b);XP(C)::R(G)+S(F),DCHECK
- R(b);XP(D)::R(G)+S(F),DCHECK
- R(c);N_GUARD,P_SPINR(c),XS(F)::QAB(H)
- S(h);N_GUARD,XR(G)::S(A),XR(c)
- R(b);::R(G)+S(F),DCHECK
- R(b);SBLOCK,S_CUTB(i)::S(A)
- B(i);SBLOCK,S_CUTR(b)::B(I),XS(h)
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).