MESON Chess Problem Database
Problem Display
PID: 6305 (4KNnr/3pRp2/3pbkpR/8/2P2rpP/6N1/2p1QB2/8 w - - 0 1)
Schiffmann, Israel Abraham
Revista de Sah, 1928
#2
9 + 11
| 1397 | Faszinierendes Schachproblem | 1963 |
SOLUTION
- SOUND
- Sets
- 1...Kg7
- 2.Rxg6#
- 1...Rf3
- 2.Bd4#
- 1...Rd4
- 2.Bxd4#
- 1...Bf5
- 2.Sh5#
- 2.Rxf7#
- 1...Kg7
- Tries
- 1.Qf3?
- threat
- 2.Bd4#
- 1...Ke5
- 2.Sxd7#
- 1...Kg7
- 2.Rxg6#
- 1...Bf5
- 2.Sh5#
- 1...gxf3!
- threat
- 1.Qe5+?
- 1...Kxe5
- 2.Sxd7#
- 1...dxe5!
- 1...Kxe5
- 1.Qxe6+?
- 1...Kg7
- 2.Rxg6#
- 2.Qxg6#
- 1...fxe6
- 2.Sxd7#
- 1...dxe6!
- 1...Kg7
- 1.Qf3?
- Keys
- 1.Qf1!
- threat
- 2.Bd4#
- 1...Ke5
- 2.Sxd7#
- 1...Kg7
- 2.Rxg6#
- 1...Rxf2
- 2.Qa1#
- 1...Rd4
- 2.Bxd4#
- 1...Bf5
- 2.Sh5#
- threat
- 1.Qf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(f);N_SPINP(g),P_SPINP(i),S_FLIGHT::R1(F),XP(g)
- R(b);N_GUARD::B(B)
- R(b);N_GUARD::B(B),XR(b)
- Tries
- Try
- Q(A);P_PINR(b)
- Threat
- B(B)
- Vars
- K(f);N_SPINP(g),N_SPINR(b),P_SPINB(e),S_FLIGHT::S(I),XP(h)
- K(f);N_SPINP(g),N_SPINR(b),P_SPINP(i),S_FLIGHT::R1(F),XP(g)
- B(e);N_SPINR(b),SBLOCK::S(C)
- Refutation
- P(c);N_SPINR(b),XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(f);N_SPINP(g),P_SPINB(e),S_FLIGHT,XQ(A)::S(I),XP(h)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);CHECK,XB(e)
- Vars
- P(i);XQ(A)::S(I),XP(h)
- Refutation
- P(h);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- B(B)
- Vars
- K(f);N_SPINP(g),P_SPINB(e),S_FLIGHT::S(I),XP(h)
- K(f);N_SPINP(g),P_SPINP(i),S_FLIGHT::R1(F),XP(g)
- R(b);N_GUARD,P_SPINR(b),XB(B)::QAB(A)
- R(b);::QAR(A)+B(B),DCHECK,XR(b)
- B(e);SBLOCK::S(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).