MESON Chess Problem Database
Problem Display
PID: 185156 (1K6/2P1P1B1/8/1B2Np2/Qr2kp2/b2R1R2/b2npPP1/2rq4 w - - 0 1)
Gustafsson, Karl Melker
Comm., Springaren 02. TT, 1948
#2
11 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Bc6#
- 1...Rd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sxf3
- 2.gxf3#
- 1...Sc4
- 2.Qa8#
- 1...Rc4
- Tries
- 1.Sc4?
- threat
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Qxa4
- 2.Sxd2#
- 2.Sd6#
- 2.Rd4#
- 2.e8Q#
- 2.e8R#
- 1...Rcxc4
- 2.e8Q#
- 2.e8R#
- 1...Rxa4
- 2.Bc6#
- 2.Rd4#
- 1...Rbxc4
- 2.Bc6#
- 1...Bxc4
- 2.Rd4#
- 1...Sxf3
- 2.Sd6#
- 1...Sxc4
- 2.Qa8#
- 1...e1Q
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...e1S
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...e1B
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...e1R
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Qc2
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Qb3
- 2.Sxd2#
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Qe1
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Qf1
- 2.Sxd2#
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Qg1
- 2.Sxd2#
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Qh1
- 2.Sxd2#
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Ra1
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Rcb1
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Rc2
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Rc3
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Rbb1
- 2.Sxd2#
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 1...Rb2
- 2.Sxd2#
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 1...Rb3
- 2.Sxd2#
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 1...Bb1
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Bb3
- 2.Sd6#
- 2.Rd4#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Bb2
- 2.Sd6#
- 2.Qa8#
- 1...Sb1
- 2.Sd6#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Sf1
- 2.Sd6#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Sb3
- 2.Sd6#
- 2.Qa8#
- 2.e8Q#
- 2.e8R#
- 1...Rxb5+!
- threat
- 1.Sf7?
- threat
- 2.Sg5#
- 2.Sd6#
- 1...Rxa4
- 2.Sg5#
- 1...Sxf3
- 2.Sd6#
- 2.gxf3#
- 1...Rd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Rc6
- 2.Sg5#
- 1...Rbc4
- 2.Sg5#
- 2.Bc6#
- 1...Sc4
- 2.Sg5#
- 2.Qa8#
- 1...Bxf7!
- threat
- 1.Qxb4+?
- 1...Rc4
- 2.Bc6#
- 1...Bc4
- 2.Bc6#
- 1...Sc4
- 2.Bc6#
- 1...Bxb4!
- 1...Rc4
- 1.Qa8+?
- 1...Bd5
- 2.Qxd5#
- 1...Rc6!
- 1...Bd5
- 1.Sc4?
- Keys
- 1.Sg6!
- threat
- 2.Rxf4#
- 1...Sxf3
- 2.gxf3#
- 1...Rd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Rcc4
- 2.e8Q#
- 2.e8R#
- 1...Rbc4
- 2.Bc6#
- 1...Bc4
- 2.Rd4#
- 1...Sc4
- 2.Qa8#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(g);N_PINB(F)::B(F)
- S(d);XR(D)::P(B),XS(d)
- S(d);N_SPINR(g),S_CUTB(c),S_CUTR(a)::QAB(E)
- Tries
- Try
- S(G);N_PINR(g)
- Threat
- DUALS(5)
- Vars
- R(a);XS(G)::P=Q
- R(g);N_PINB(F),P_SPINR(g),XS(G)::B(F)
- B(c);XS(G)::R1(C)
- S(d);XR(D)::S(G)
- S(d);XS(G)::QAB(E)
- Refutation
- R(g);CHECK,XB(F)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(g);N_PINB(F),N_SPINR(g),XQ(E)::S(G)
- R(a);::S(G)
- Refutation
- B(c);XS(G)
- Try
- Q(E);CHECK,N_SPINB(F),XR(g)
- Vars
- R(a);P_SPINR(a)::B(F)
- B(c);P_SPINB(c)::B(F)
- S(d);P_SPINS(d)::B(F)
- Refutation
- B(f);XQ(E)
- Try
- Q(E);CHECK,N_PINR(g)
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAB1(E),XB(c)
- Refutation
- R(a);P_SPINR(a)
- Try
- Actual
- S(G);
- Threat
- R1(D),XP(i)
- Vars
- S(d);XR(D)::P(B),XS(d)
- R(a);N_SPINR(g),S_CUTB(c)::P=Q
- R(g);N_PINB(F)::B(F)
- B(c);N_SPINR(g),S_CUTR(g)::R1(C)
- S(d);N_SPINR(g),S_CUTB(c),S_CUTR(a)::QAB(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).