MESON Chess Problem Database
Problem Display
PID: 207136 (K1N5/8/3p2R1/N2k4/3Pn1R1/4n1B1/1P4rQ/7B w - - 0 1)
Courtenay, Edward H
New York Clipper, 1867
#2
10 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Rxd6#
- 1...Rxb2
- 2.Rxd6#
- 1...Rc2
- 2.Rxd6#
- 1...Rd2
- 2.Rxd6#
- 1...Re2
- 2.Rxd6#
- 1...Rf2
- 2.Rxd6#
- 1...Rxh2
- 2.Rxd6#
- 1...Rxg3
- 2.Rxd6#
- 1...Sd2
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 1...Sf2
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 1...Sc3
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 1...Sxg3
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 1...Sc5
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 1...Sg5
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 1...Rg1
- Tries
- 1.Be5?
- threat
- 2.Sb6#
- 2.Se7#
- 1...Rxb2
- 2.Se7#
- 2.Bxe4#
- 2.Rxd6#
- 1...dxe5
- 2.Qxe5#
- 1...Sc4
- 2.Se7#
- 1...Sf5
- 2.Sb6#
- 1...Sf6!
- threat
- 1.Qh8?
- threat
- 2.Sb6#
- 2.Se7#
- 1...Rxb2
- 2.Se7#
- 2.Bxe4#
- 2.Rxd6#
- 1...Sc4
- 2.Se7#
- 1...Sf5
- 2.Sb6#
- 1...Sf6!
- threat
- 1.Be5?
- Keys
- 1.Bf2!
- 1...Kxd4
- 2.Qxd6#
- 1...Rxf2
- 2.Rxd6#
- 2.Qxd6#
- 1...Rxh2
- 2.Rxd6#
- 1...Rxg4
- 2.Rxd6#
- 2.Qxd6#
- 1...Sxg4
- 2.Sb6#
- 2.Se7#
- 1...Sxf2
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 2.Qxd6#
- 1...Rg1
- 2.Rxd6#
- 2.Qxd6#
- 1...Rg3
- 2.Rxd6#
- 1...Sd1
- 2.Sb6#
- 2.Se7#
- 1...Sf1
- 2.Sb6#
- 2.Se7#
- 1...Sc2
- 2.Sb6#
- 2.Se7#
- 1...Sc4
- 2.Se7#
- 1...Sf5
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 2.Qxd6#
- 1...Sc3
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 2.Qxd6#
- 1...Sg3
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 1...Sc5
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 2.Qxd6#
- 1...Sg5
- 2.Sb6#
- 2.Se7#
- 2.Rxd6#
- 2.Qxd6#
- 1...Sf6
- 2.Qxd6#
- 1...Kxd4
- 1.Bf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- R(a);P_SPINS(c)::R1(H),XP(e)
- R(a);P_SPINS(c),XP(B)::R1(H),XP(e)
- R(a);P_SPINS(c),XQ(C)::R1(H),XP(e)
- R(a);P_SPINS(c),XB(D)::R1(H),XP(e)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- P(e);OGATE,XB(D)::QAR1(C),XP(e)
- S(b);::S(J)
- Refutation
- S(c);P_SPINR(a)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(b);::S(J)
- Refutation
- S(c);P_SPINR(a)
- Try
- Actual
- B(D);
- Vars
- K(d);P-FLIGHT,P_SPINS(b),XP(E)::QAR2(C),XP(e)
- R(a);P_SPINS(c),XQ(C)::R1(H),XP(e)
- R(a);P_SPINS(c)::R1(H),XP(e)
- S(b);::S(J)
- S(c);N_GUARD,P_SPINR(a)::QAR1(C),XP(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).