MESON Chess Problem Database
Problem Display
PID: 261890 (1BR5/1P1k4/5P2/6N1/K1p1p1r1/1p1B2pQ/2PN3q/3b4 w - - 0 1)
Lipton, Michael
Die Schwalbe, 1972
#2
10 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qh7#
- 1...Qxd2
- 2.Qh7#
- 1...Qe2
- 2.Qh7#
- 1...Qf2
- 2.Qh7#
- 1...Qg2
- 2.Qh7#
- 1...Bxc2
- 2.Qxg4#
- 1...c3
- 2.Bb5#
- 1...e3
- 2.Bf5#
- 1...Qg1
- Tries
- 1.Sdf3?
- threat
- 2.Se5#
- 2.Qxg4#
- 1...Qxh3
- 2.Se5#
- 1...exf3
- 2.Bf5#
- 2.Qxg4#
- 1...g2
- 2.Qxg4#
- 1...Bxf3!
- threat
- 1.Sxc4?
- threat
- 2.Se5#
- 2.Sb6#
- 1...Qg1
- 2.Se5#
- 2.Qh7#
- 1...Qf2
- 2.Se5#
- 2.Qh7#
- 1...g2
- 2.Sb6#
- 1...e3
- 2.Bf5#
- 1...exd3!
- threat
- 1.Sdxe4?
- threat
- 2.Sc5#
- 1...Qg1
- 2.Qh7#
- 1...Qf2
- 2.Qh7#
- 1...c3
- 2.Bb5#
- 1...cxd3!
- threat
- 1.Se6?
- threat
- 2.Sc5#
- 2.Sf8#
- 1...Qg1
- 2.Sf8#
- 1...Qf2
- 2.Sf8#
- 1...Kxe6!
- threat
- 1.Bxc4?
- threat
- 2.Bb5#
- 2.Be6#
- 1...Qe2
- 2.Be6#
- 2.Qh7#
- 1...Be2
- 2.Be6#
- 1...e3!
- threat
- 1.Bxe4?
- threat
- 2.Bf5#
- 2.Bc6#
- 1...Bxc2
- 2.Bc6#
- 2.Qxg4#
- 1...Qh1
- 2.Bf5#
- 1...Qe2
- 2.Bc6#
- 2.Qh7#
- 1...Qf2
- 2.Bc6#
- 2.Qh7#
- 1...Qg2
- 2.Bf5#
- 2.Qh7#
- 1...Bf3
- 2.Bf5#
- 1...c3!
- threat
- 1.Qh8?
- threat
- 2.Qg7#
- 2.Qd8#
- 2.Qe8#
- 1...Rxg5
- 2.Qe8#
- 1...Qh5
- 2.Qd8#
- 1...Qh6
- 2.Qd8#
- 2.Qe8#
- 1...Qh7
- 2.Qxh7#
- 2.Qd8#
- 2.Qe8#
- 1...Qxh8!
- threat
- 1.Sdf3?
- Keys
- 1.Sxb3!
- threat
- 2.Sc5#
- 1...Qxc2
- 2.Qh7#
- 1...Bxc2
- 2.Qxg4#
- 1...cxb3
- 2.Bb5#
- 1...Qg1
- 2.Qh7#
- 1...Qf2
- 2.Qh7#
- threat
- 1.Sxb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- Q(b);N_GUARD::QAR(D)
- Q(b);N_GUARD,XS(B)::QAR(D)
- B(a);N_GUARD,XP(A)::QAB(D),XR(g)
- P(e);OGATE::B(C)
- P(f);OGATE::B(C)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(b);N_SPINR(g),XQ(D)::S(B)
- P(d);::QAB(D),XR(g)
- Refutation
- B(a);XS(B)
- Try
- S(B);XP(e)
- Threat
- DUALS(2)
- Vars
- P(d);::S(B)
- P(f);OGATE,P_PINS(B)::B(C)
- Refutation
- P(f);P_PINS(B),XB(C)
- Try
- S(B);XP(f)
- Threat
- S(B)
- Vars
- Q(b);N_GUARD::QAR(D)
- P(e);OGATE,P_PINS(B)::B(C)
- Refutation
- P(e);P_PINS(B),XB(C)
- Try
- S(F);N_PINR(g)
- Threat
- DUALS(2)
- Vars
- Q(b);::S(F)
- Refutation
- K(h);P_SPINR(g),S_FLIGHT,XS(F)
- Try
- B(C);XP(e)
- Threat
- DUALS(2)
- Vars
- B(a);::B(C)
- Refutation
- P(f);P_PINB(C)
- Try
- B(C);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(b);::B(C)
- B(a);::B(C)
- Refutation
- P(e);P_PINB(C)
- Try
- Q(D);N_PINR(g)
- Threat
- DUALS(3)
- Vars
- R(g);XS(F)::QAB1(D)
- Q(b);::QAR1(D)
- Refutation
- Q(b);XQ(D)
- Try
- Actual
- S(B);XP(c)
- Threat
- S(B)
- Vars
- Q(b);N_GUARD,P_PINS(B),XP(A)::QAR(D)
- B(a);N_GUARD,P_PINS(B),XP(A)::QAB(D),XR(g)
- P(e);OGATE,XS(B)::B(C)
- Q(b);N_GUARD::QAR(D)
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).