MESON Chess Problem Database
Problem Display
PID: 239831 (B5b1/4P1Q1/p2Pr1NK/pr2R3/5P1p/R2NB1kP/6Pp/7n w - - 0 1)
Haring, Jacobus
Themes-64, 1970
#2
13 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rg5#
- 1...Rb2
- 2.Rg5#
- 1...Rb3
- 2.Rg5#
- 1...Rb4
- 2.Rg5#
- 1...Rb6
- 2.Rg5#
- 1...Rb7
- 2.Rg5#
- 1...Rb8
- 2.Rg5#
- 1...Rxe5
- 2.Sgxe5#
- 1...Rxg6+
- 2.Qxg6#
- 1...Rxe7
- 2.Sxe7#
- 1...Sf2
- 2.Bxf2#
- 1...Rb1
- Tries
- 1.Sc1?
- threat
- 2.Se2#
- 1...Rxg6+
- 2.Qxg6#
- 1...Rb7
- 2.Rg5#
- 1...Rb2
- 2.Rg5#
- 1...Rd5!
- threat
- 1.Sc5?
- threat
- 2.Rg5#
- 1...Rxg6+
- 2.Qxg6#
- 1...Rxc5
- 2.Bxc5#
- 1...Rxe5
- 2.Sxe5#
- 1...Sf2!
- threat
- 1.Bc5?
- threat
- 2.Sb4#
- 2.Rg5#
- 1...Rxg6+
- 2.Qxg6#
- 1...Rxe5
- 2.Sgxe5#
- 1...Rxd6
- 2.Re3#
- 2.Rg5#
- 1...Rxe7
- 2.Sxe7#
- 2.Rg5#
- 1...Rb7
- 2.Rg5#
- 1...Rb1
- 2.Sb2#
- 2.Rg5#
- 1...Rb2
- 2.Sxb2#
- 2.Rg5#
- 1...Rb3
- 2.Rg5#
- 1...Rb4
- 2.Sxb4#
- 2.Rg5#
- 1...Rf6
- 2.Re3#
- 2.Rg5#
- 1...Sf2
- 2.Bxf2#
- 1...Rxc5!
- threat
- 1.Bd5?
- threat
- 2.Rg5#
- 1...Rxg6+
- 2.Qxg6#
- 1...Rxe5
- 2.Sgxe5#
- 1...Sf2
- 2.Bxf2#
- 1...Rxd5!
- threat
- 1.Rxb5?
- threat
- 2.Rg5#
- 1...Rxg6+
- 2.Qxg6#
- 1...Re5
- 2.Sgxe5#
- 1...Sf2
- 2.Bxf2#
- 1...axb5!
- threat
- 1.Qf6?
- threat
- 2.Qxh4#
- 2.Qg5#
- 1...Rbxe5
- 2.Qxh4#
- 1...Rexe5
- 2.Qxh4#
- 1...Rd5
- 2.Qg5#
- 1...Rb7
- 2.Rg5#
- 2.Qg5#
- 1...Sf2
- 2.Bxf2#
- 2.Qxh4#
- 1...Rxf6!
- threat
- 1.Sc1?
- Keys
- 1.Bd4!
- threat
- 2.Sb4#
- 1...Rxg6+
- 2.Qxg6#
- 1...Rbxe5
- 2.Sxe5#
- 1...Rexe5
- 2.Sgxe5#
- 1...Rxd6
- 2.Re3#
- 1...Rxe7
- 2.Sxe7#
- 1...Rd5
- 2.Se1#
- 1...Rb7
- 2.Rg5#
- 1...Rb1
- 2.Sb2#
- 2.Rg5#
- 1...Rb2
- 2.Sxb2#
- 2.Rg5#
- 1...Rb3
- 2.Rg5#
- 1...Rb4
- 2.Sxb4#
- 2.Rg5#
- 1...Rc5
- 2.Sxc5#
- 1...Rf6
- 2.Re3#
- 1...Sf2
- 2.Bxf2#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(f);N_GUARD::R(G)
- R(h);N_PINS(I),XR(G)::QAR(L)+S(I),XR(h)
- R(h);CHECK,OGATE,P_SPINR(h),XS(I)::QAR(L),XR(h)
- R(h);N_PINS(I),XP(K)::QAR(L)+S(I),XR(h)
- S(a);N_GUARD::B(D),XS(a)
- Tries
- Try
- S(C);
- Threat
- S(C)
- Vars
- R(h);CHECK,OGATE,P_SPINR(h),XS(I)::QAR(L),XR(h)
- R(f);N_GUARD::R(G)
- Refutation
- R(f);
- Try
- S(C);
- Threat
- R(G)
- Vars
- R(h);CHECK,OGATE,P_SPINR(h),XS(I)::QAR(L),XR(h)
- R(f);OGATE,XS(C)::R(B)+B(D),XR(f)
- R(h);N_PINS(I),XR(G)::QAR(L)+S(I),XR(h)
- Refutation
- S(a);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,OGATE,P_SPINR(h),XS(I)::QAR(L),XR(h)
- R(h);N_PINS(I),XR(G)::QAR(L)+S(I),XR(h)
- R(f);::R(G)
- S(a);N_GUARD::B(D),XS(a)
- Refutation
- R(f);XB(D)
- Try
- B(M);
- Threat
- R(G)
- Vars
- R(h);CHECK,OGATE,P_SPINR(h),XS(I)::QAR(L),XR(h)
- R(h);N_PINS(I),XR(G)::QAR(L)+S(I),XR(h)
- S(a);N_GUARD::B(D),XS(a)
- Refutation
- R(f);XB(M)
- Try
- R(G);XR(f)
- Threat
- R(G)
- Vars
- R(h);CHECK,OGATE,P_SPINR(h),XS(I)::QAR(L),XR(h)
- R(h);N_PINS(I)::QAR(L)+S(I),XR(h)
- S(a);N_GUARD::B(D),XS(a)
- Refutation
- P(g);XR(G)
- Try
- Q(L);N_SPINS(I)
- Threat
- DUALS(2)
- Vars
- R(f);XR(G)::QAB1(L),XP(d)
- R(h);XR(G)::QAB1(L),XP(d)
- R(f);::QAR2(L)
- Refutation
- R(h);P_PINS(I),XQ(L)
- Try
- Actual
- B(D);
- Threat
- R(B)+S(C)
- Vars
- R(h);CHECK,OGATE,P_SPINR(h),XS(I)::QAR(L),XR(h)
- R(f);XR(G)::R(B)+S(C),XR(f)
- R(h);N_PINS(I),XR(G)::QAR(L)+S(I),XR(h)
- R(h);N_GUARD,XP(H)::R(G)
- R(h);N_PINS(I),XP(K)::QAR(L)+S(I),XR(h)
- R(f);N_GUARD::R(B)+S(C)
- R(f);N_GUARD::R(G)
- R(f);N_GUARD::R(B)+S(C),XR(f)
- R(h);N_GUARD::R(G)
- S(a);N_GUARD::B(D),XS(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).