MESON Chess Problem Database
Problem Display
PID: 49937 (7K/R3pp2/4nRpN/3Pkbp1/6p1/4B1N1/BP6/5Q2 w - - 0 1)
Retter, Yosef
Al Hamishmar, 1963
#2
10 + 8
| 3747 | FIDE Album (1962-1964) | 1968 |
| 3335 | Cyclone | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Kd6
- 2.Sxf7#
- 1...Kxf6
- 2.Sxg4#
- 1...Bb1
- 2.Sxf7#
- 1...Bc2
- 2.Sxf7#
- 1...Bd3
- 2.Sxf7#
- 1...Be4
- 2.Sxf7#
- 1...exf6
- 2.Sxf7#
- 1...Kd6
- Tries
- 1.Sxg4+?
- 1...Kd6
- 2.Qa6#
- 1...Bxg4!
- 1...Kd6
- 1.Rxf5+?
- 1...Kd6
- 2.Se4#
- 2.Sxf7#
- 2.Qa6#
- 1...gxf5!
- 1...Kd6
- 1.Ra4?
- 1...Kxf6
- 2.Sxg4#
- 1...exf6
- 2.Sxf7#
- 1...Sd4
- 2.Bxd4#
- 1...Bb1
- 2.Sxf7#
- 1...Bc2
- 2.Sxf7#
- 1...Bd3
- 2.Sxf7#
- 1...Be4
- 2.Sxf7#
- 1...Sf4
- 2.Bd4#
- 1...Sc5
- 2.Bd4#
- 1...Sc7
- 2.Bd4#
- 1...Sg7
- 2.Bd4#
- 1...Sd8
- 2.Bd4#
- 1...Sf8
- 2.Bd4#
- 1...Kd6!
- 1...Kxf6
- 1.Ra6?
- 1...Kxf6
- 2.Sxg4#
- 2.Bd4#
- 1...exf6
- 2.Sxf7#
- 1...Sd4
- 2.Sxf7#
- 1...Bb1
- 2.Sxg4#
- 2.Sxf7#
- 1...Bc2
- 2.Sxg4#
- 2.Sxf7#
- 1...Bd3
- 2.Sxg4#
- 2.Sxf7#
- 1...Be4
- 2.Sxg4#
- 2.Sxf7#
- 1...Sf4
- 2.Sxf7#
- 1...Sc5
- 2.Sxf7#
- 1...Sc7
- 2.Sxf7#
- 1...Sg7
- 2.Sxf7#
- 1...Sf8
- 2.Sxf7#
- 1...Sd8!
- 1...Kxf6
- 1.Qa6?
- 1...Kxf6
- 2.Bd4#
- 1...exf6
- 2.Sxf7#
- 1...Sd4
- 2.Sxf7#
- 1...Bb1
- 2.Sxg4#
- 1...Bc2
- 2.Sxg4#
- 1...Bd3
- 2.Sxg4#
- 1...Be4
- 2.Sxg4#
- 1...Sf4
- 2.Sxf7#
- 1...Sc5
- 2.Sxf7#
- 1...Sc7
- 2.Sxf7#
- 1...Sg7
- 2.Sxf7#
- 1...Sf8
- 2.Sxf7#
- 1...Sd8!
- 1...Kxf6
- 1.Qxf5+?
- 1...Kd6
- 2.Se4#
- 2.Sxf7#
- 1...gxf5!
- 1...Kd6
- 1.b4?
- 1...Kd6
- 2.Sxf7#
- 1...Kxf6
- 2.Sxg4#
- 1...exf6
- 2.Sxf7#
- 1...Bb1
- 2.Sxf7#
- 1...Bc2
- 2.Sxf7#
- 1...Bd3
- 2.Sxf7#
- 1...Be4
- 2.Sxf7#
- 1...Sf4
- 2.Qa1#
- 1...Sc5
- 2.Qa1#
- 1...Sc7
- 2.Qa1#
- 1...Sg7
- 2.Qa1#
- 1...Sd8
- 2.Qa1#
- 1...Sf8
- 2.Qa1#
- 1...Sd4!
- 1...Kd6
- 1.Sxg4+?
- Keys
- 1.Qf2!
- 1...Kd6
- 2.Sxf7#
- 1...Kxf6
- 2.Sxg4#
- 1...exf6
- 2.Sxf7#
- 1...Sd4
- 2.Bxd4#
- 1...Bb1
- 2.Sxf7#
- 1...Bc2
- 2.Sxf7#
- 1...Bd3
- 2.Sxf7#
- 1...Be4
- 2.Sxf7#
- 1...Sf4
- 2.Bd4#
- 1...Sc5
- 2.Bd4#
- 1...Sc7
- 2.Bd4#
- 1...Sg7
- 2.Bd4#
- 1...Sd8
- 2.Bd4#
- 1...Sf8
- 2.Bd4#
- 1...Kd6
- 1.Qf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(b);P_SPINS(e),S_FLIGHT::S(H),XP(h)
- K(b);P_SPINB(c),S_FLIGHT,XR(G)::S(H),XP(a)
- B(c);::S(H),XP(h)
- P(g);SBLOCK,XR(G)::S(H),XP(h)
- Tries
- Try
- S(H);CHECK,XP(a)
- Vars
- K(b);P_SPINS(e),S_FLIGHT::QAR(A)
- Refutation
- B(c);XS(H)
- Try
- R(G);CHECK,XB(c)
- Refutation
- P(f);XR(G)
- Try
- R(I);
- Vars
- K(b);P_SPINB(c),S_FLIGHT,XR(G)::S(H),XP(a)
- P(g);SBLOCK,XR(G)::S(H),XP(h)
- S(e);N_GUARD::B(D),XS(e)
- B(c);::S(H),XP(h)
- S(e);N_GUARD::B(D)
- Refutation
- K(b);P_SPINS(e),S_FLIGHT
- Try
- R(I);
- Vars
- P(g);SBLOCK,XR(G)::S(H),XP(h)
- S(e);::S(H),XP(h)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- K(b);P_SPINS(e),S_FLIGHT,XR(G)::B(D)
- P(g);SBLOCK,XR(G)::S(H),XP(h)
- S(e);::S(H),XP(h)
- B(c);N_GUARD::S(H),XP(a)
- Refutation
- S(e);
- Try
- Q(A);CHECK,XB(c)
- Refutation
- P(f);XQ(A)
- Try
- P(C);
- Vars
- K(b);P_SPINS(e),S_FLIGHT::S(H),XP(h)
- K(b);P_SPINB(c),S_FLIGHT,XR(G)::S(H),XP(a)
- P(g);SBLOCK,XR(G)::S(H),XP(h)
- B(c);::S(H),XP(h)
- S(e);N_GUARD::QAB(A)
- Refutation
- S(e);
- Try
- Actual
- Q(A);
- Vars
- K(b);P_SPINS(e),S_FLIGHT::S(H),XP(h)
- K(b);P_SPINB(c),S_FLIGHT,XR(G)::S(H),XP(a)
- P(g);SBLOCK,XR(G)::S(H),XP(h)
- S(e);N_GUARD::B(D),XS(e)
- B(c);::S(H),XP(h)
- S(e);N_GUARD::B(D)
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).