MESON Chess Problem Database
Problem Display
PID: 17269 (3R4/2b5/1pp2N2/3bp3/2B5/1p1r3p/1K1k1P1Q/R5N1 w - - 0 1)
Giobel, Bengt Rudolf
Schackvarlden, 1928
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Se4#
- 1...Rf3
- 2.Sxf3#
- 2.Se4#
- 1...Rg3
- 2.Se4#
- 1...Bh1
- 2.Rxd3#
- 1...Bg2
- 2.Rxd3#
- 1...Bf3
- 2.Rxd3#
- 1...Bxc4
- 2.Se4#
- 1...Be4
- 2.Sxe4#
- 1...Be6
- 2.Se4#
- 2.Rxd3#
- 1...Bf7
- 2.Se4#
- 2.Rxd3#
- 1...Bg8
- 2.Se4#
- 2.Rxd3#
- 1...Rc3
- Tries
- 1.Sxd5?
- threat
- 2.f3#
- 2.f4#
- 1...Rxd5
- 2.Sf3#
- 1...Re3
- 2.fxe3#
- 1...Rf3
- 2.Sxf3#
- 1...Rg3
- 2.fxg3#
- 1...e4
- 2.f4#
- 1...cxd5!
- threat
- 1.Rxd5?
- threat
- 2.Se4#
- 2.Rxd3#
- 1...Rxd5
- 2.Sf3#
- 2.Se4#
- 1...Rd4
- 2.Sf3#
- 2.Se4#
- 1...e4
- 2.Sxe4#
- 1...cxd5!
- threat
- 1.Qg3?
- threat
- 2.Qxd3#
- 1...Rxg3
- 2.Se4#
- 1...Bxc4
- 2.Se4#
- 2.Qe3#
- 2.Qg5#
- 1...Re3
- 2.Qxe3#
- 1...Rc3
- 2.Se4#
- 2.Qxc3#
- 1...Rf3
- 2.Sxf3#
- 2.Se4#
- 1...Rd4
- 2.Qc3#
- 2.Qe3#
- 1...Bf3
- 2.Rxd3#
- 2.Qg5#
- 1...Be4
- 2.Sxe4#
- 2.Qe3#
- 2.Qg5#
- 1...e4!
- threat
- 1.Qf4+?
- 1...Re3
- 2.Sf3#
- 2.Se4#
- 2.Qxe3#
- 1...exf4!
- 1...Re3
- 1.Qxe5?
- threat
- 2.Qe1#
- 2.Qe2#
- 1...Re3
- 2.Qxe3#
- 1...Bf3
- 2.Sxf3#
- 2.Rxd3#
- 2.Qc3#
- 2.Qe1#
- 2.Qe3#
- 1...Be4
- 2.Sxe4#
- 2.Qc3#
- 1...Bxe5+!
- threat
- 1.Qxh3?
- threat
- 2.Qxd3#
- 1...Rxh3
- 2.Se4#
- 1...Bxc4
- 2.Se4#
- 2.Qe3#
- 2.Qh6#
- 1...Re3
- 2.Qxe3#
- 1...Rc3
- 2.Se4#
- 2.Qxc3#
- 1...Rf3
- 2.Sxf3#
- 2.Se4#
- 1...Rg3
- 2.Se4#
- 1...Rd4
- 2.Qc3#
- 2.Qe3#
- 1...Bf3
- 2.Rxd3#
- 2.Qh6#
- 1...Be4
- 2.Sxe4#
- 2.Qe3#
- 2.Qh6#
- 1...e4!
- threat
- 1.f4+?
- 1...Bg2
- 2.Rxd3#
- 1...Ke3!
- 1...Bg2
- 1.Sxd5?
- Keys
- 1.Sg4!
- threat
- 2.f3#
- 1...Re3
- 2.fxe3#
- 1...Rf3
- 2.Sxf3#
- 1...Rg3
- 2.fxg3#
- 1...Bh1
- 2.Rxd3#
- 1...Bg2
- 2.Rxd3#
- 1...Bf3
- 2.Rxd3#
- 1...e4
- 2.f4#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(c);P_SPINB(e)::S(G)
- B(e);OGATE,P_SPINR(c)::R1(H),XR(c)
- B(e);N_GUARD,P_SPINR(c),XB(F)::S(G)
- B(e);N_GUARD,P_SPINR(c)::S(G),XB(e)
- Tries
- Try
- S(G);XB(e)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,P_SPINR(c),XS(G)::S(B)
- R(c);OGATE::QAR(E)+P(D),XR(c)
- R(c);N_GUARD::S(B),XR(c)
- P(f);::QAR(E)+P(D)
- Refutation
- P(h);XS(G)
- Try
- R(H);P_PINR(c),XB(e)
- Threat
- DUALS(2)
- Vars
- P(f);::S(G),XP(f)
- Refutation
- P(h);N_SPINR(c),XR(H)
- Try
- Q(E);
- Threat
- QAR1(E),XR(c)
- Vars
- R(c);P_SPINB(e),XQ(E)::S(G)
- R(c);N_GUARD,P_SPINB(e)::QAB1(E),XR(c)
- Refutation
- P(f);
- Try
- Q(E);CHECK
- Refutation
- P(f);XQ(E)
- Try
- Q(E);XP(f)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,P_SPINB(e)::QAB1(E),XR(c)
- Refutation
- B(i);CHECK,XQ(E)
- Try
- Q(E);XP(d)
- Threat
- QAR1(E),XR(c)
- Vars
- R(c);P_SPINB(e),XQ(E)::S(G)
- R(c);N_GUARD,P_SPINB(e)::QAB1(E),XR(c)
- R(c);P_SPINB(e)::S(G)
- Refutation
- P(f);
- Try
- P(D);CHECK
- Vars
- B(e);OGATE,P_SPINB(e),P_SPINR(c)::R1(H),XR(c)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- S(G);
- Threat
- QAR(E)+P(D)
- Vars
- R(c);OGATE,P_SPINB(e)::QAR(E)+P(D),XR(c)
- R(c);N_GUARD,P_SPINB(e)::S(B),XR(c)
- B(e);OGATE,P_SPINR(c)::R1(H),XR(c)
- P(f);S_CUTB(e)::QAR(E)+P(D)
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).