MESON Chess Problem Database
Problem Display
PID: 68481 (2n1b3/7R/1p1rpNk1/q1b3Np/pr2p2K/1p2pR1B/6p1/1Q6 w - - 0 1)
Pituk, Alexander
Thema Danicum, 1977
#2
7 + 15
| 5865 | Czech Album (1976-1978) | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Qxe4#
- 1...Rb5
- Tries
- 1.Sgxe4?
- threat
- 2.Rg3#
- 1...Rxe4+
- 2.Qxe4#
- 1...g1Q
- 2.Qxg1#
- 1...g1R
- 2.Qxg1#
- 1...Bd4
- 2.Sc5#
- 1...Rd5!
- threat
- 1.Sf7?
- threat
- 2.Se5#
- 2.Sh8#
- 1...Rd5
- 2.Sh8#
- 1...Bd4
- 2.Sh8#
- 1...e5
- 2.Sxe5#
- 2.Sh8#
- 1...Bxf7!
- threat
- 1.Sxh5?
- threat
- 2.Rf6#
- 1...e5
- 2.Bf5#
- 1...Bd4!
- threat
- 1.Sxe8?
- threat
- 2.Rf6#
- 1...e5
- 2.Bf5#
- 1...Bd4!
- threat
- 1.Sg8?
- threat
- 2.Rf6#
- 1...e5
- 2.Bf5#
- 1...Bd4!
- threat
- 1.Sgxe4?
- Keys
- 1.Sfxe4!
- threat
- 2.Rf6#
- 1...Rxe4+
- 2.Qxe4#
- 1...Bd4
- 2.Sc5#
- 1...e5
- 2.Bf5#
- threat
- 1.Sfxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD::QAB(A),XP(f)
- Tries
- Try
- S(E);P_SPINS(E),XP(f)
- Threat
- R(B)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XS(E)::QAB(A),XR(e)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- B(h);N_PINS(E)::QAB(A)+S(E)
- Refutation
- R(k);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(k);::S(E)
- B(h);::S(E)
- Refutation
- B(o);XS(E)
- Try
- S(F);XP(i)
- Threat
- R1(B)
- Vars
- P(l);N_GUARD::B(C)
- Refutation
- B(h);
- Try
- S(F);XB(o)
- Threat
- R1(B)
- Vars
- P(l);N_GUARD::B(C)
- Refutation
- B(h);
- Try
- S(F);
- Threat
- R1(B)
- Vars
- P(l);N_GUARD::B(C)
- Refutation
- B(h);
- Try
- Actual
- S(F);P_SPINS(F),XP(f)
- Threat
- R1(B)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XS(F)::QAB(A),XR(e)
- B(h);N_PINS(F)::QAB(A)+S(F)
- P(l);N_GUARD::B(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).