MESON Chess Problem Database
Problem Display
PID: 261431 (2RK1bB1/r1p1p3/3k2n1/r2P2p1/1p5n/pN2Rp2/5N2/6Q1 w - - 0 1)
Schonholzer, Andreas
Neue Zurcher Zeitung, 2002
#2
8 + 12
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Re6#
- 1...Se5
- 2.Se4#
- 1...c5
- 2.Rc6#
- 1...c6
- 2.Rxc6#
- 1...e5
- 2.Se4#
- 1...Rxd5
- Tries
- 1.Ke8?
- threat
- 2.Rd8#
- 1...Rxd5
- 2.Re6#
- 1...Se5
- 2.Se4#
- 1...c5
- 2.Rc6#
- 1...c6
- 2.Rxc6#
- 1...Ra8!
- threat
- 1.Rxe7?
- threat
- 2.Se4#
- 1...Rxd5
- 2.Re6#
- 1...Sxe7
- 2.Qh2#
- 2.Qg3#
- 1...Bxe7+!
- threat
- 1.Qh2+?
- 1...Se5
- 2.Se4#
- 2.Qxe5#
- 1...e5
- 2.Se4#
- 1...Sf4!
- 1...Se5
- 1.Qa1?
- threat
- 2.Se4#
- 1...Rxd5
- 2.Re6#
- 1...e6!
- threat
- 1.Qd1?
- threat
- 2.Re6#
- 1...Se5
- 2.Se4#
- 1...e5
- 2.Se4#
- 1...e6
- 2.Rxe6#
- 1...Sf4!
- threat
- 1.Qg3+?
- 1...Se5
- 2.Se4#
- 2.Qxe5#
- 1...e5
- 2.Se4#
- 1...Sf4!
- 1...Se5
- 1.Qg4?
- threat
- 2.Qe6#
- 2.Qd7#
- 1...e6
- 2.Qxe6#
- 1...Sf4
- 2.Qd7#
- 1...Se5
- 2.Se4#
- 2.Qe6#
- 1...c5
- 2.Rc6#
- 2.Qe6#
- 1...c6
- 2.Rxc6#
- 2.Qe6#
- 1...Sf5!
- threat
- 1.Qxg5?
- threat
- 2.Se4#
- 2.Re6#
- 1...Rxd5
- 2.Re6#
- 2.Qxd5#
- 1...Sf4
- 2.Se4#
- 2.Qe5#
- 1...Se5
- 2.Se4#
- 2.Qxe5#
- 1...e5
- 2.Se4#
- 2.Qf6#
- 1...e6
- 2.Se4#
- 2.Rxe6#
- 1...Sf5!
- threat
- 1.Ke8?
- Keys
- 1.Qc1!
- threat
- 2.Qc6#
- 1...Rxd5
- 2.Re6#
- 1...Rc5
- 2.Qxc5#
- 1...R5a6
- 2.Qc5#
- 1...R7a6
- 2.Qxc7#
- 1...Se5
- 2.Se4#
- 1...c5
- 2.Rc6#
- 1...c6
- 2.Rxc6#
- 2.Qxc6#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(e);SBLOCK,XP(E)::R1(D)
- S(h);SBLOCK::S(B)
- P(j);OGATE::R1(F)
- P(j);OGATE::R1(F),XP(j)
- P(k);SBLOCK::S(B)
- Tries
- Try
- K(G);P-FLIGHT
- Threat
- R(F)
- Vars
- R(e);SBLOCK,XP(E)::R1(D)
- S(h);SBLOCK::S(B)
- P(j);OGATE::R1(F)
- P(j);OGATE::R1(F),XP(j)
- Refutation
- R(i);P_PINR(F)
- Try
- R(D);XP(k)
- Threat
- S(B)
- Vars
- R(e);SBLOCK,XP(E)::R1(D)
- Refutation
- B(l);CHECK,XR(D)
- Try
- Q(A);CHECK
- Vars
- P(k);P_SPINP(k)::S(B)
- Refutation
- S(h);P_SPINS(h)
- Try
- Q(A);
- Threat
- S(B)
- Vars
- R(e);SBLOCK,XP(E)::R1(D)
- Refutation
- P(k);
- Try
- Q(A);
- Threat
- R1(D)
- Vars
- S(h);SBLOCK::S(B)
- P(k);SBLOCK::S(B)
- P(k);::R1(D),XP(k)
- Refutation
- S(h);
- Try
- Q(A);CHECK
- Vars
- P(k);P_SPINP(k)::S(B)
- Refutation
- S(h);P_SPINS(h)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(k);::QAR1(A),XP(k)
- S(h);::QAR1(A)
- Refutation
- S(d);
- Try
- Q(A);XP(f)
- Threat
- DUALS(2)
- Refutation
- S(d);
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- R(e);SBLOCK,XP(E)::R1(D)
- R(e);N_GUARD::QAB1(A),XR(e)
- R(e);N_GUARD::QAB1(A)
- R(i);N_GUARD::QAB1(A),XP(j)
- S(h);SBLOCK::S(B)
- P(j);OGATE::R1(F)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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