MESON Chess Problem Database
Problem Display
PID: 223367 (8/K1p1QB2/4npp1/2R2bp1/3k2p1/1p3rN1/1Pp2P1R/2N3B1 w - - 0 1)
Joseph, Samuel M
St. Louis Globe Democrat, 1886
#2
10 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Bxf2#
- 1...Rc3
- 2.bxc3#
- 1...Rd3
- 2.Sce2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Bd3
- 2.Sxb3#
- 1...Be4
- 2.Sge2#
- 1...Sf4
- 2.Rc4#
- 1...Sxc5
- 2.Sge2#
- 2.Qxf6#
- 1...Sg7
- 2.Sge2#
- 2.Rc4#
- 1...Sd8
- 2.Sge2#
- 2.Rc4#
- 1...Sf8
- 2.Sge2#
- 2.Rc4#
- 1...c6
- 2.Qd6#
- 1...Rxf2
- Tries
- 1.Kb8?
- 1...Rxf2
- 2.Bxf2#
- 1...Sxc5
- 2.Sge2#
- 2.Qxf6#
- 1...Rc3
- 2.bxc3#
- 1...Rd3
- 2.Sce2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Bd3
- 2.Sxb3#
- 1...Be4
- 2.Sge2#
- 1...Sf4
- 2.Rc4#
- 1...Sg7
- 2.Sge2#
- 2.Rc4#
- 1...Sd8
- 2.Sge2#
- 2.Rc4#
- 1...Sf8
- 2.Sge2#
- 2.Rc4#
- 1...c6
- 2.Qd6#
- 1...Rxg3!
- 1...Rxf2
- 1.Sxb3+?
- 1...Kd3
- 2.Rc3#
- 1...Rxb3!
- 1...Kd3
- 1.Bg8?
- 1...Rxf2
- 2.Bxf2#
- 1...Sxc5
- 2.Sge2#
- 2.Qxf6#
- 1...Rc3
- 2.bxc3#
- 1...Rd3
- 2.Sce2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Bd3
- 2.Sxb3#
- 1...Be4
- 2.Sge2#
- 1...Sf4
- 2.Rc4#
- 1...Sg7
- 2.Sge2#
- 2.Rc4#
- 1...Sd8
- 2.Sge2#
- 2.Rc4#
- 1...Sf8
- 2.Sge2#
- 2.Rc4#
- 1...c6
- 2.Qd6#
- 1...Rxg3!
- 1...Rxf2
- 1.Rh1?
- 1...Rxf2
- 2.Bxf2#
- 1...Sxc5
- 2.Sge2#
- 2.Qxf6#
- 1...Rc3
- 2.bxc3#
- 1...Rd3
- 2.Sce2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Bd3
- 2.Sxb3#
- 1...Be4
- 2.Sge2#
- 1...Sf4
- 2.Rc4#
- 1...Sg7
- 2.Sge2#
- 2.Rc4#
- 1...Sd8
- 2.Sge2#
- 2.Rc4#
- 1...Sf8
- 2.Sge2#
- 2.Rc4#
- 1...c6
- 2.Qd6#
- 1...Rxg3!
- 1...Rxf2
- 1.Rh6?
- 1...Rxf2
- 2.Bxf2#
- 1...Sxc5
- 2.Sge2#
- 2.Qxf6#
- 1...Rc3
- 2.bxc3#
- 1...Rd3
- 2.Sce2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Bd3
- 2.Sxb3#
- 1...Be4
- 2.Sge2#
- 1...Sf4
- 2.Rc4#
- 1...Sg7
- 2.Sge2#
- 2.Rc4#
- 1...Sd8
- 2.Sge2#
- 2.Rc4#
- 1...Sf8
- 2.Sge2#
- 2.Rc4#
- 1...c6
- 2.Qd6#
- 1...Rxg3!
- 1...Rxf2
- 1.Rh7?
- 1...Rxf2
- 2.Bxf2#
- 1...Sxc5
- 2.Sge2#
- 2.Qxf6#
- 1...Rc3
- 2.bxc3#
- 1...Rd3
- 2.Sce2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Bd3
- 2.Sxb3#
- 1...Be4
- 2.Sge2#
- 1...Sf4
- 2.Rc4#
- 1...Sg7
- 2.Sge2#
- 2.Rc4#
- 1...Sd8
- 2.Sge2#
- 2.Rc4#
- 1...Sf8
- 2.Sge2#
- 2.Rc4#
- 1...c6
- 2.Qd6#
- 1...Rxg3!
- 1...Rxf2
- 1.Rh8?
- 1...Rxf2
- 2.Bxf2#
- 1...Sxc5
- 2.Sge2#
- 2.Qxf6#
- 1...Rc3
- 2.bxc3#
- 1...Rd3
- 2.Sce2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Bd3
- 2.Sxb3#
- 1...Be4
- 2.Sge2#
- 1...Sf4
- 2.Rc4#
- 1...Sg7
- 2.Sge2#
- 2.Rc4#
- 1...Sd8
- 2.Sge2#
- 2.Rc4#
- 1...Sf8
- 2.Sge2#
- 2.Rc4#
- 1...c6
- 2.Qd6#
- 1...Rxg3!
- 1...Rxf2
- 1.Kb8?
- Keys
- 1.Rg2!
- 1...Rxf2
- 2.Bxf2#
- 1...Rxg3
- 2.f3#
- 1...Sxc5
- 2.Sge2#
- 2.Qxf6#
- 1...Rc3
- 2.bxc3#
- 1...Rd3
- 2.Sce2#
- 1...Re3
- 2.fxe3#
- 1...Rf4
- 2.f3#
- 1...Bd3
- 2.Sxb3#
- 1...Be4
- 2.Sge2#
- 1...Sf4
- 2.Rc4#
- 1...Sg7
- 2.Sge2#
- 2.Rc4#
- 1...Sd8
- 2.Sge2#
- 2.Rc4#
- 1...Sf8
- 2.Sge2#
- 2.Rc4#
- 1...c6
- 2.Qd6#
- 1...Rxf2
- 1.Rg2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);SBLOCK::S(A)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(c)::S(A),XP(b)
- B(f);SBLOCK::S(F)
- S(h);::R1(G)
- P(k);N_GUARD::QAR2(I)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);SBLOCK::S(A)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(c)::S(A),XP(b)
- B(f);SBLOCK::S(F)
- S(h);::R1(G)
- P(k);N_GUARD::QAR2(I)
- Refutation
- R(c);XS(F)
- Try
- S(A);CHECK,XP(b)
- Vars
- K(d);P-FLIGHT::R1(G)
- Refutation
- R(c);XS(A)
- Try
- B(J);
- Vars
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);SBLOCK::S(A)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(c)::S(A),XP(b)
- B(f);SBLOCK::S(F)
- S(h);::R1(G)
- P(k);N_GUARD::QAR2(I)
- Refutation
- R(c);XS(F)
- Try
- R(E);
- Vars
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);SBLOCK::S(A)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(c)::S(A),XP(b)
- B(f);SBLOCK::S(F)
- S(h);::R1(G)
- P(k);N_GUARD::QAR2(I)
- Refutation
- R(c);XS(F)
- Try
- R(E);
- Vars
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);SBLOCK::S(A)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(c)::S(A),XP(b)
- B(f);SBLOCK::S(F)
- S(h);::R1(G)
- P(k);N_GUARD::QAR2(I)
- Refutation
- R(c);XS(F)
- Try
- R(E);
- Vars
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);SBLOCK::S(A)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(c)::S(A),XP(b)
- B(f);SBLOCK::S(F)
- S(h);::R1(G)
- P(k);N_GUARD::QAR2(I)
- Refutation
- R(c);XS(F)
- Try
- R(E);
- Vars
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE::P(C),XR(c)
- R(c);SBLOCK::S(A)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(c)::S(A),XP(b)
- B(f);SBLOCK::S(F)
- S(h);::R1(G)
- P(k);N_GUARD::QAR2(I)
- Refutation
- R(c);XS(F)
- Try
- Actual
- R(E);
- Vars
- R(c);OGATE,P_SPINR(c),XP(D)::B(B),XR(c)
- R(c);OGATE,XS(F)::B(B)+P(D)
- R(c);OGATE::P(C),XR(c)
- R(c);SBLOCK::S(A)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATE::B(B)+P(D)
- B(f);SBLOCK,S_CUTR(c)::S(A),XP(b)
- B(f);SBLOCK::S(F)
- S(h);::R1(G)
- P(k);N_GUARD::QAR2(I)
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).