MESON Chess Problem Database
Problem Display
PID: 10790 (8/3Q4/5p1B/5Prp/2pP1NpR/K1k5/P4RN1/1Br5 w - - 0 1)
Lender, Baruch
Probleemblad, 1968
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Rc2#
- 1...Re1
- 2.Rc2#
- 1...Rf1
- 2.Rc2#
- 1...Rg1
- 2.Rc2#
- 1...Rh1
- 2.Rc2#
- 1...Rc2
- 2.Rxc2#
- 1...Rxf5
- 2.Se2#
- 1...Rg6
- 2.Se2#
- 1...Rg7
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...g3
- 2.Sd5#
- 1...Rd1
- Tries
- 1.Be4?
- 1...Rxf5
- 2.Se2#
- 1...Ra1
- 2.Rc2#
- 1...Rb1
- 2.Rc2#
- 1...Rd1
- 2.Rc2#
- 1...Re1
- 2.Rc2#
- 1...Rf1
- 2.Rc2#
- 1...Rg1
- 2.Rc2#
- 1...Rh1
- 2.Rc2#
- 1...Rc2
- 2.Rxc2#
- 1...Rg6
- 2.Se2#
- 1...Rg7
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...g3!
- 1...Rxf5
- 1.Rb2?
- threat
- 2.Se2#
- 1...Rc2
- 2.Rxc2#
- 1...Re1
- 2.Rc2#
- 1...Rxb1!
- threat
- 1.Rh1?
- threat
- 2.Rxc1#
- 1...Rxh1
- 2.Rc2#
- 1...Rd1
- 2.Rc2#
- 1...Re1
- 2.Rc2#
- 1...Rf1
- 2.Rc2#
- 1...Rg1
- 2.Rc2#
- 1...Rc2
- 2.Rxc2#
- 1...Rxb1!
- threat
- 1.Qd6?
- 1...Rxf5
- 2.Se2#
- 1...g3
- 2.Sd5#
- 1...Rd1
- 2.Rc2#
- 1...Re1
- 2.Rc2#
- 1...Rf1
- 2.Rc2#
- 1...Rg1
- 2.Rc2#
- 1...Rh1
- 2.Rc2#
- 1...Rc2
- 2.Rxc2#
- 1...Rg6
- 2.Se2#
- 1...Rg7
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...Rxb1!
- 1...Rxf5
- 1.Qa7?
- threat
- 2.Sd5#
- 1...Rxf5
- 2.Se2#
- 1...Rc2
- 2.Rxc2#
- 1...Rxb1!
- threat
- 1.Qd8?
- 1...Rxf5
- 2.Se2#
- 1...g3
- 2.Sd5#
- 1...Rd1
- 2.Rc2#
- 1...Re1
- 2.Rc2#
- 1...Rf1
- 2.Rc2#
- 1...Rg1
- 2.Rc2#
- 1...Rh1
- 2.Rc2#
- 1...Rc2
- 2.Rxc2#
- 1...Rg6
- 2.Se2#
- 1...Rg7
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...Rxb1!
- 1...Rxf5
- 1.Be4?
- Keys
- 1.Se1!
- 1...Rxb1
- 2.Rc2#
- 1...Rxe1
- 2.Rc2#
- 1...Rxf5
- 2.Se2#
- 1...Rd1
- 2.Rc2#
- 1...Rc2
- 2.Rxc2#
- 1...Rg6
- 2.Se2#
- 1...Rg7
- 2.Se2#
- 1...Rg8
- 2.Se2#
- 1...g3
- 2.Sd5#
- 1...Rxb1
- 1.Se1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- R(e);XP(I)::S(G)
- R(e);::S(G)
- P(d);::S(G)
- Tries
- Try
- B(A);
- Vars
- R(e);XP(I)::S(G)
- R(a);N_GUARD,P_PINP(B)::R1(C)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- R(e);::S(G)
- Refutation
- P(d);
- Try
- R(C);
- Threat
- S(G)
- Vars
- R(a);N_GUARD::R1(C),XR(a)
- R(a);N_GUARD::R1(C)
- Refutation
- R(a);XB(A)
- Try
- R(H);
- Threat
- R(H),XR(a)
- Vars
- R(a);N_GUARD,XR(H)::R1(C)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- Refutation
- R(a);XB(A)
- Try
- Q(K);
- Vars
- R(e);XP(I)::S(G)
- P(d);::S(G)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- R(e);::S(G)
- Refutation
- R(a);XB(A)
- Try
- Q(K);
- Threat
- S(G)
- Vars
- R(e);XP(I)::S(G)
- R(a);N_GUARD::R1(C),XR(a)
- Refutation
- R(a);XB(A)
- Try
- Q(K);
- Vars
- R(e);XP(I)::S(G)
- P(d);::S(G)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- R(e);::S(G)
- Refutation
- R(a);XB(A)
- Try
- Actual
- S(D);
- Vars
- R(a);N_GUARD,XB(A)::R1(C)
- R(a);N_GUARD,XS(D)::R1(C)
- R(e);XP(I)::S(G)
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- R(e);::S(G)
- P(d);::S(G)
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).