MESON Chess Problem Database
Problem Display
PID: 72423 (nb6/rP6/2RRK3/1pP1p3/1pk1NQ2/1N1b4/P3q3/r1n1BB2 w - - 0 1)
Buchwald, Julius
Western Morning News, 1928
#2
11 + 11
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Qxf1
- 2.Sbd2#
- 1...Qf3
- 2.Sbd2#
- 1...Qh5
- 2.Sbd2#
- 1...Qd2
- 2.Sbxd2#
- 1...Qxe4
- 2.Qxe4#
- 1...Ra5
- 2.Sxa5#
- 1...Rxb7
- 2.Sa5#
- 1...Bb1
- 2.Sbd2#
- 1...Bc2
- 2.Sbd2#
- 1...Bxe4
- 2.Qxe4#
- 1...Bxd6
- 2.Sxd6#
- 2.cxd6#
- 1...Sb6
- 2.cxb6#
- 1...exf4
- 2.Rd4#
- 1...Qxf1
- Tries
- 1.Sf2+?
- 1...Qe4
- 2.Qxe4#
- 1...Be4
- 2.Qxe4#
- 1...e4
- 2.Rd4#
- 1...exf4+!
- 1...Qe4
- 1.Sc3+?
- 1...Qe4
- 2.Qxe4#
- 1...Be4
- 2.Qxe4#
- 1...e4
- 2.Rd4#
- 1...exf4+!
- 1...Qe4
- 1.Sg3+?
- 1...Qe4
- 2.Qxe4#
- 1...Be4
- 2.Qxe4#
- 1...e4
- 2.Rd4#
- 1...exf4+!
- 1...Qe4
- 1.Sg5+?
- 1...Qe4
- 2.Qxe4#
- 1...Be4
- 2.Qxe4#
- 1...e4
- 2.Rd4#
- 1...exf4+!
- 1...Qe4
- 1.Sf6+?
- 1...Qe4
- 2.Qxe4#
- 1...Be4
- 2.Qxe4#
- 1...e4
- 2.Rd4#
- 1...exf4+!
- 1...Qe4
- 1.Qxc1+?
- 1...Qc2
- 2.Sbd2#
- 2.Bxd3#
- 2.Qxc2#
- 1...Bc2
- 2.Sbd2#
- 2.Bxe2#
- 2.Qxc2#
- 1...Rxc1!
- 1...Qc2
- 1.Sf2+?
- Keys
- 1.Kxe5!
- threat
- 2.Qf7#
- 1...Qh5+
- 2.Sg5#
- 1...Qb2+
- 2.Sc3#
- 1...Qxe4+
- 2.Qxe4#
- 1...Bxd6+
- 2.cxd6#
- 1...Qxf1
- 2.Sbd2#
- 1...Rxb7
- 2.Sa5#
- 1...Bxe4
- 2.Qxe4#
- 1...Qf3
- 2.Sbd2#
- 1...Qg4
- 2.Sbd2#
- 1...Qf2
- 2.Sxf2#
- 1...Qh2
- 2.Sg3#
- 1...Sb6
- 2.cxb6#
- 1...Sc7
- 2.Rd4#
- threat
- 1.Kxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- Q(c);N_GUARD,XB(B)::S(D)
- Q(c);N_GUARD,P_SPINB(d)::S(D)
- Q(c);N_GUARD,P_SPINB(d)::S(D),XQ(c)
- Q(c);OGATE,P_SPINB(d),P_SPINQ(c),XS(E)::QAR2(F),XQ(c)
- R(i);N_GUARD::S(D),XR(i)
- R(i);N_GUARD,XP(K)::S(D)
- B(d);P_SPINQ(c)::S(D)
- B(d);OGATE,P_SPINB(d),P_SPINQ(c),XS(E)::QAR2(F),XB(d)
- S(j);OGATE::R(H)+P(G),XS(j)
- P(h);N_GUARD,P_PINS(E),XQ(F)::R1(I)
- Tries
- Try
- S(E);CHECK
- Vars
- Q(c);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XQ(c)
- B(d);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XB(d)
- P(h);N_GUARD,P_SPINP(h)::R1(I)
- Refutation
- P(h);CHECK,XQ(F)
- Try
- S(E);CHECK
- Vars
- Q(c);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XQ(c)
- B(d);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XB(d)
- P(h);N_GUARD,P_SPINP(h)::R1(I)
- Refutation
- P(h);CHECK,XQ(F)
- Try
- S(E);CHECK
- Vars
- Q(c);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XQ(c)
- B(d);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XB(d)
- P(h);N_GUARD,P_SPINP(h)::R1(I)
- Refutation
- P(h);CHECK,XQ(F)
- Try
- S(E);CHECK
- Vars
- Q(c);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XQ(c)
- B(d);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XB(d)
- P(h);N_GUARD,P_SPINP(h)::R1(I)
- Refutation
- P(h);CHECK,XQ(F)
- Try
- S(E);CHECK
- Vars
- Q(c);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XQ(c)
- B(d);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAR2(F),XB(d)
- P(h);N_GUARD,P_SPINP(h)::R1(I)
- Refutation
- P(h);CHECK,XQ(F)
- Try
- Q(F);CHECK,XS(b)
- Refutation
- R(a);XQ(F)
- Try
- Actual
- K(J);P-FLIGHT,P_SPINR(I),P_SPINS(E),XP(h)
- Threat
- QAB(F)
- Vars
- Q(c);CHECK,N_PINS(E),P_SPINB(d)::QAR(F)+S(E)
- Q(c);CHECK,OGATE,P_SPINB(d),P_SPINQ(c),XS(E)::QAR2(F),XQ(c)
- B(k);CHECK,OGATE,XR(I)::R(H)+P(G),XB(k)
- Q(c);N_GUARD,N_PINS(E),XB(B)::S(D)
- R(i);N_GUARD,XP(K)::S(D)
- B(d);OGATE,P_SPINB(d),P_SPINQ(c),XS(E)::QAR2(F),XB(d)
- Q(c);N_GUARD,N_PINS(E),P_SPINB(d)::S(D)
- Q(c);N_PINS(E),P_SPINB(d)::QAR(F)+S(E),XQ(c)
- Q(c);N_PINS(E),P_PINQ(F),P_SPINB(d)::QAR(F)+S(E)
- S(j);OGATE::R(H)+P(G),XS(j)
- S(j);N_PINR(I)::R1(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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