MESON Chess Problem Database
Problem Display
PID: 140243 (rk1NN3/p1n5/B1p4r/2p5/8/2Q3b1/1B6/KR6 w - - 0 1)
ten Cate, Pieter
4th HM., Panorama, 1952
#2
7 + 8
| 102 | Probleemblad | 1975 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sxc6#
- 1...Rh2
- 2.Sxc6#
- 1...Rh3
- 2.Sxc6#
- 1...Rh4
- 2.Sxc6#
- 1...Rh5
- 2.Sxc6#
- 1...Rh7
- 2.Sxc6#
- 1...Rh8
- 2.Sxc6#
- 1...Bd6
- 2.Sxc6#
- 1...Se6
- 2.Sxc6#
- 2.Bc1#
- 2.Ba3#
- 2.Qb3#
- 1...Rh1
- Tries
- 1.Qe5?
- threat
- 2.Bc1#
- 2.Ba3#
- 2.Bc3#
- 2.Bd4#
- 1...Bxe5
- 2.Bxe5#
- 1...Rh1
- 2.Sxc6#
- 2.Bc1#
- 1...Rh2
- 2.Sxc6#
- 1...Rh4
- 2.Sxc6#
- 2.Bd4#
- 1...Be1
- 2.Bc3#
- 2.Qxc7#
- 1...Rd6!
- threat
- 1.Qf6?
- threat
- 2.Sxc6#
- 2.Be5#
- 1...Rxf6
- 2.Be5#
- 1...Sxe8
- 2.Be5#
- 1...Sb5
- 2.Sxc6#
- 1...Rh1
- 2.Sxc6#
- 1...Rh2
- 2.Sxc6#
- 1...Rh4
- 2.Sxc6#
- 1...Be1
- 2.Sxc6#
- 1...Be5
- 2.Sxc6#
- 2.Bxe5#
- 1...Bd6
- 2.Sxc6#
- 1...Sxa6!
- threat
- 1.Qxg3?
- threat
- 2.Bc1#
- 2.Ba3#
- 2.Bc3#
- 2.Bd4#
- 2.Be5#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Qxc7#
- 1...Rh1
- 2.Sxc6#
- 2.Bc1#
- 2.Qxc7#
- 1...Rh2
- 2.Sxc6#
- 2.Qxc7#
- 1...Rh4
- 2.Sxc6#
- 2.Bd4#
- 2.Qxc7#
- 1...Rf6
- 2.Bc1#
- 2.Ba3#
- 2.Bc3#
- 2.Bd4#
- 2.Be5#
- 2.Bxf6#
- 2.Qxc7#
- 1...Rh7
- 2.Sxc6#
- 2.Bc1#
- 2.Ba3#
- 2.Bc3#
- 2.Bd4#
- 2.Be5#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...Rh8
- 2.Sxc6#
- 2.Bc1#
- 2.Ba3#
- 2.Bc3#
- 2.Bd4#
- 2.Be5#
- 2.Bf6#
- 2.Bg7#
- 2.Bxh8#
- 2.Qxc7#
- 1...Rd6!
- threat
- 1.Qe5?
- Keys
- 1.Qg7!
- threat
- 2.Be5#
- 1...Sxa6
- 2.Qb7#
- 1...Sb5
- 2.Qb7#
- 1...Rh1
- 2.Sxc6#
- 1...Rh2
- 2.Sxc6#
- 1...Rh4
- 2.Sxc6#
- 1...Rd6
- 2.Qxc7#
- 1...Be1
- 2.Qxc7#
- 1...Be5
- 2.Bxe5#
- 1...Bd6
- 2.Sxc6#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 4
- Sets
- R(d);N_GUARD,P_PINR(B)::S(F),XP(c)
- R(d);N_GUARD::S(F),XP(c)
- B(a);S_CUTR(d)::S(F),XP(c)
- Tries
- Try
- Q(D);P_PINS(f)
- Threat
- DUALS(4)
- Vars
- B(a);N_SPINS(f),OGATE,P_PINB(C),XQ(D)::R(B)+B(C),XB(a)
- R(d);N_GUARD::S(F),XP(c)
- Refutation
- R(d);N_SPINS(f)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(d);XQ(D)::R(B)+B(C)
- S(f);XS(G)::R(B)+B(C),DCHECK
- S(f);::S(F),XP(c)
- R(d);P_PINR(B)::S(F),XP(c)
- R(d);::S(F),XP(c)
- B(a);::S(F),XP(c)
- Refutation
- S(f);XB(E)
- Try
- Q(D);P_PINS(f),XB(a)
- Threat
- DUALS(9)
- Refutation
- R(d);N_SPINS(f)
- Try
- Actual
- Q(D);
- Threat
- R(B)+B(C)
- Vars
- S(f);OGATE,XB(E)::QAR1(D)
- S(f);OGATE::QAR1(D)
- R(d);N_GUARD,P_PINR(B)::S(F),XP(c)
- R(d);N_GUARD::S(F),XP(c)
- R(d);S_CUTB(a)::QAB1(D),XS(f)
- B(a);N_GUARD::QAB1(D),XS(f)
- B(a);P_PINB(C)::R(B)+B(C),XB(a)
- B(a);S_CUTR(d)::S(F),XP(c)
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).