MESON Chess Problem Database
Problem Display
PID: 90116 (5r2/5R2/8/8/2N1k3/7N/3Q1br1/3K1R2 w - - 0 1)
Stempel, Hans
Die Schwalbe, 1947
#2
6 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sxf2#
- 1...Rh2
- 2.Sg5#
- 1...Rg3
- 2.Sxf2#
- 1...Rg4
- 2.Sxf2#
- 1...Rg5
- 2.Sxf2#
- 2.Sxg5#
- 1...Rg6
- 2.Sxf2#
- 1...Rg7
- 2.Sxf2#
- 1...Rgg8
- 2.Sxf2#
- 1...Ra8
- 2.Rf4#
- 1...Rb8
- 2.Rf4#
- 1...Rc8
- 2.Rf4#
- 1...Rd8
- 2.Rf4#
- 1...Re8
- 2.Rf4#
- 1...Rfg8
- 2.Rf4#
- 1...Rh8
- 2.Rf4#
- 1...Be1
- 2.R1f4#
- 2.Re7#
- 1...Bg1
- 2.R1f4#
- 2.Re7#
- 1...Be3
- 2.Re7#
- 1...Bg3
- 2.Sg5#
- 1...Bh4
- 2.R1f4#
- 1...Bc5
- 2.R1f4#
- 1...Bb6
- 2.R1f4#
- 2.Re7#
- 1...Ba7
- 2.R1f4#
- 2.Re7#
- 1...Rg1
- Tries
- 1.Re1+?
- 1...Be3
- 2.Rxe3#
- 1...Bxe1!
- 1...Be3
- 1.Rxf8?
- threat
- 2.Rf4#
- 1...Rg4
- 2.Sxf2#
- 1...Be3
- 2.Re8#
- 1...Bg3
- 2.Sg5#
- 1...Bd4!
- threat
- 1.Qd7?
- 1...Bd4
- 2.Qf5#
- 1...Rg1
- 2.Sxf2#
- 1...Rh2
- 2.Sg5#
- 1...Rg3
- 2.Sxf2#
- 1...Rg4
- 2.Sxf2#
- 1...Rg5
- 2.Sxf2#
- 2.Sxg5#
- 1...Rg6
- 2.Sxf2#
- 1...Rg7
- 2.Sxf2#
- 1...Rgg8
- 2.Sxf2#
- 1...Ra8
- 2.Rf4#
- 1...Rb8
- 2.Rf4#
- 1...Rc8
- 2.Rf4#
- 1...Rd8
- 2.Rf4#
- 1...Re8
- 2.Rf4#
- 1...Rfg8
- 2.Rf4#
- 1...Rh8
- 2.Rf4#
- 1...Be1
- 2.R1f4#
- 2.Re7#
- 1...Bg1
- 2.R1f4#
- 2.Re7#
- 1...Be3
- 2.Re7#
- 1...Bg3
- 2.Sg5#
- 1...Bh4
- 2.R1f4#
- 1...Bc5
- 2.R1f4#
- 1...Bb6
- 2.R1f4#
- 2.Re7#
- 1...Ba7
- 2.R1f4#
- 2.Re7#
- 1...Rxf7!
- 1...Bd4
- 1.Re1+?
- Keys
- 1.Kc2!
- threat
- 2.Qd3#
- 1...Bd4
- 2.Qxg2#
- 1...Rg3
- 2.Sxf2#
- 1...Rd8
- 2.Rf4#
- 1...Be1
- 2.R1f4#
- 2.Re7#
- 1...Bg1
- 2.R1f4#
- 2.Re7#
- 1...Be3
- 2.Re7#
- 1...Bg3
- 2.Sg5#
- 1...Bh4
- 2.R1f4#
- 1...Bc5
- 2.R1f4#
- 1...Bb6
- 2.R1f4#
- 2.Re7#
- 1...Ba7
- 2.R1f4#
- 2.Re7#
- threat
- 1.Kc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- R(b);N_GUARD,P_PINR(B)::S(D),XB(a)
- R(b);N_GUARD::S(D)
- R(b);N_GUARD::S(D),XB(a)
- R(d);N_GUARD::R1(F)
- R(d);N_GUARD,P_PINQ(C)::R1(F)
- B(a);::R(F)
- B(a);S_CUTR(b)::S(D)
- B(a);OGATE::R1(B)
- Tries
- Try
- R(B);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::R1(B),XB(a)
- Refutation
- B(a);XR(B)
- Try
- R(F);XR(d)
- Threat
- R1(F)
- Vars
- R(b);N_GUARD::S(D),XB(a)
- B(a);::R(F)
- B(a);S_CUTR(b)::S(D)
- Refutation
- B(a);
- Try
- Q(C);
- Vars
- B(a);SBLOCK::QAB1(C)
- R(b);N_GUARD,P_PINR(B)::S(D),XB(a)
- R(b);N_GUARD::S(D)
- R(b);N_GUARD::S(D),XB(a)
- R(d);N_GUARD::R1(F)
- R(d);N_GUARD,P_PINQ(C)::R1(F)
- B(a);::R(F)
- B(a);S_CUTR(b)::S(D)
- B(a);OGATE::R1(B)
- Refutation
- R(d);XR(F)
- Try
- Actual
- K(A);S_FLIGHT
- Threat
- QAB1(C)
- Vars
- B(a);OGATE,P_PINQ(C),SBLOCK::QAB(C),XR(b)
- R(b);N_GUARD::S(D),XB(a)
- R(d);N_GUARD::R1(F)
- B(a);P_PINQ(C)::R(F)
- B(a);P_PINQ(C),S_CUTR(b)::S(D)
- B(a);OGATE,P_PINQ(C)::R1(B)
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).