MESON Chess Problem Database
Problem Display
PID: 241719 (5R2/4p3/3PK3/NN1p3p/4k2r/R1n1np1B/2r5/2Bb1Qb1 w - - 0 1)
Pituk, Alexander
Magyar Sakkvilag, 1949
#2
9 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qd3#
- 1...Sa2
- 2.Qd3#
- 1...Se2
- 2.Qxf3#
- 1...Sa4
- 2.Qd3#
- 1...Sxb5
- 2.Qd3#
- 1...Sxf1
- 2.Bf5#
- 1...Sg2
- 2.Bf5#
- 1...Sc4
- 2.Bf5#
- 1...Sg4
- 2.Rf4#
- 1...Sf5
- 2.Bxf5#
- 1...Sb1
- Tries
- 1.Ra4+?
- 1...Sc4
- 2.Bf5#
- 1...d4
- 2.Rxd4#
- 1...Sxa4!
- 1...Sc4
- 1.Qc4+?
- 1...Sxc4
- 2.Bf5#
- 1...d4
- 2.Qxd4#
- 1...dxc4!
- 1...Sxc4
- 1.Ra4+?
- Keys
- 1.Sb7!
- threat
- 2.Sc5#
- 1...Sxb5
- 2.Qd3#
- 1...Sxf1
- 2.Bf5#
- 1...exd6
- 2.S7xd6#
- 1...Sb1
- 2.Qd3#
- 1...Sa2
- 2.Qd3#
- 1...Se2
- 2.Qxf3#
- 1...Sa4
- 2.Qd3#
- 1...Sg2
- 2.Bf5#
- 1...Sc4
- 2.Bf5#
- 1...Sg4
- 2.Rf4#
- 1...Sf5
- 2.Bxf5#
- threat
- 1.Sb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);::QAB1(B)
- S(d);S_CUTB(a)::QAB1(B),XP(f)
- S(d);XS(F)::QAB1(B)
- S(e);N_GUARD,XQ(B)::B(D)
- S(e);N_GUARD::B(D)
- S(e);S_CUTR(h)::R1(I)
- S(e);N_GUARD::B(D),XS(e)
- Tries
- Try
- R(C);CHECK
- Vars
- S(e);P_SPINS(e)::B(D)
- P(i);P_SPINP(i)::R1(C),XP(i)
- Refutation
- S(d);XR(C)
- Try
- Q(B);CHECK
- Vars
- S(e);XQ(B)::B(D)
- P(i);P_SPINP(i)::QAR1(B),XP(i)
- Refutation
- P(i);XQ(B)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- S(d);XS(F)::QAB1(B)
- S(e);N_GUARD,XQ(B)::B(D)
- P(k);XP(G)::S(E),XP(k)
- S(d);::QAB1(B)
- S(d);S_CUTB(a)::QAB1(B),XP(f)
- S(e);N_GUARD::B(D)
- S(e);S_CUTR(h)::R1(I)
- S(e);N_GUARD::B(D),XS(e)
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).