MESON Chess Problem Database
Problem Display
PID: 108035 (4r3/P7/K1R1P1N1/1P1kP1p1/1P3r2/5P2/N5B1/B7 w - - 0 1)
Falk, I
Szachista Polski, 1913
#2
12 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Bxf3#
- 1...Rxb4
- 2.Sxb4#
- 1...Rc4
- 2.Rd6#
- 1...Rd4
- 2.Sc3#
- 1...Re4
- 2.fxe4#
- 1...Rg4
- 2.fxg4#
- 1...Rh4
- 2.f4#
- 1...Rf5
- 2.f4#
- 1...Rf6
- 2.f4#
- 1...Rf7
- 2.f4#
- 1...Rff8
- 2.f4#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ref8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...g4
- 2.Sxf4#
- 1...Rxf3
- Tries
- 1.Bb2?
- 1...Rxf3
- 2.Bxf3#
- 1...Rxb4
- 2.Sxb4#
- 1...Rc4
- 2.Rd6#
- 1...Rd4
- 2.Sc3#
- 1...Re4
- 2.fxe4#
- 1...Rg4
- 2.fxg4#
- 1...Rh4
- 2.f4#
- 1...Rf5
- 2.f4#
- 1...Rf6
- 2.f4#
- 1...Rf7
- 2.f4#
- 1...Rff8
- 2.f4#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ref8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...g4
- 2.Sxf4#
- 1...Rxe6!
- 1...Rxf3
- 1.a8S?
- threat
- 2.Sb6#
- 2.Sc7#
- 1...Rxf3
- 2.Bxf3#
- 1...Rf7
- 2.Sb6#
- 2.f4#
- 1...Re7
- 2.Sxe7#
- 2.Sb6#
- 1...Rb8
- 2.Se7#
- 2.Sc7#
- 1...Rc8
- 2.Se7#
- 2.Sb6#
- 1...Rxa8+!
- threat
- 1.Bb2?
- Keys
- 1.Ka5!
- 1...Rxf3
- 2.Bxf3#
- 1...Rxb4
- 2.Sxb4#
- 1...Rxe6
- 2.Rc5#
- 1...Rc4
- 2.Rd6#
- 1...Rd4
- 2.Sc3#
- 1...Re4
- 2.fxe4#
- 1...Rg4
- 2.fxg4#
- 1...Rh4
- 2.f4#
- 1...Rf5
- 2.f4#
- 1...Rf6
- 2.f4#
- 1...Rf7
- 2.f4#
- 1...Rff8
- 2.f4#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Rb8
- 2.Se7#
- 1...Rc8
- 2.Se7#
- 1...Rd8
- 2.Se7#
- 1...Ref8
- 2.Se7#
- 1...Rg8
- 2.Se7#
- 1...Rh8
- 2.Se7#
- 1...g4
- 2.Sxf4#
- 1...Rxf3
- 1.Ka5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);OGATE,P_SPINR(a),XP(D)::B(C),XR(a)
- R(a);XP(E)::S(B),XR(a)
- R(a);SBLOCK::R1(I)
- R(a);SBLOCK::S(B)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(C)+P(D),XR(a)
- R(a);OGATE::B(C)+P(D)
- R(d);N_GUARD::S(K),XR(d)
- R(d);N_GUARD,P_PINP(L)::S(K)
- R(d);N_GUARD::S(K)
- P(c);N_GUARD::S(K),XR(a)
- Tries
- Try
- B(A);
- Vars
- R(a);OGATE,P_SPINR(a),XP(D)::B(C),XR(a)
- R(a);XP(E)::S(B),XR(a)
- R(a);SBLOCK::R1(I)
- R(a);SBLOCK::S(B)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(C)+P(D),XR(a)
- R(a);OGATE::B(C)+P(D)
- R(d);N_GUARD::S(K),XR(d)
- R(d);N_GUARD,P_PINP(L)::S(K)
- R(d);N_GUARD::S(K)
- P(c);N_GUARD::S(K),XR(a)
- Refutation
- R(d);P_PINR(I),XP(J)
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- R(a);OGATE,P_SPINR(a),XP(D)::B(C),XR(a)
- Refutation
- R(d);CHECK,XS(L)
- Try
- Actual
- K(H);P-FLIGHT
- Vars
- R(a);OGATE,P_SPINR(a),XP(D)::B(C),XR(a)
- R(a);XP(E)::S(B),XR(a)
- R(d);SBLOCK,XP(J)::R1(I)
- R(a);SBLOCK::R1(I)
- R(a);SBLOCK::S(B)
- R(a);OGATE::P(D),XR(a)
- R(a);OGATE::B(C)+P(D),XR(a)
- R(a);OGATE::B(C)+P(D)
- R(d);N_GUARD::S(K),XR(d)
- R(d);N_GUARD,P_PINP(L)::S(K)
- R(d);N_GUARD::S(K)
- P(c);N_GUARD::S(K),XR(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).