MESON Chess Problem Database
Problem Display
PID: 50534 (8/2p5/2P5/Qp6/1p2p3/BP2P3/BrPRPP2/b1k1K2R w K - 0 1)
Gruber, Bratoljub
Mat Plus, 1995
#2
12 + 7
SOLUTION
- SOUND
- Sets
- 1...bxa3
- 2.0-0#
- 1...bxa3
- Tries
- 1.Kf1?
- 1...bxa3
- 2.Kg2#
- 1...Kxd2!
- 1...bxa3
- 1.Rd4?
- 1...bxa3
- 2.Qd2#
- 1...Kxc2!
- 1...bxa3
- 1.Rd7?
- 1...bxa3
- 2.Qd2#
- 1...Kxc2!
- 1...bxa3
- 1.Rd8?
- 1...bxa3
- 2.Qd2#
- 1...Kxc2!
- 1...bxa3
- 1.c3?
- 1...bxc3
- 2.Qxc3#
- 1...bxa3!
- 1...bxc3
- 1.c4?
- 1...bxa3
- 2.0-0#
- 1...bxc4 ep
- 2.Qxc3#
- 1...bxc4!
- 1...bxa3
- 1.f3?
- 1...bxa3
- 2.Kf2#
- 2.0-0#
- 1...exf3!
- 1...bxa3
- 1.f4?
- 1...bxa3
- 2.Kf2#
- 2.0-0#
- 1...exf4 ep!
- 1...bxa3
- 1.Kf1?
- Keys
- 1.Rd5!
- 1...Kxc2
- 2.Rc5#
- 1...bxa3
- 2.Qd2#
- 1...Kxc2
- 1.Rd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(d);N_SPINR(c),XB(H)::0-0
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(d);N_SPINR(c),XB(H)::R(B)+K(A)
- Refutation
- K(b);N_SPINR(c),P_SPINP(d),S_FLIGHT,XR(E)
- Try
- R(E);
- Vars
- P(d);N_SPINR(c),OGATE,XB(H)::QAB1(K)
- Refutation
- K(b);N_SPINR(c),P-FLIGHT,XP(D)
- Try
- R(E);
- Vars
- P(d);N_SPINR(c),OGATE,XB(H)::QAB1(K)
- Refutation
- K(b);N_SPINR(c),P-FLIGHT,XP(D)
- Try
- R(E);
- Vars
- P(d);N_SPINR(c),OGATE,XB(H)::QAB1(K)
- Refutation
- K(b);N_SPINR(c),P-FLIGHT,XP(D)
- Try
- P(D);
- Vars
- P(d);OGATE,XP(D)::QAR2(K),XP(d)
- Refutation
- P(d);N_SPINR(c),XB(H)
- Try
- P(D);
- Vars
- P(d);N_SPINR(c),XB(H)::0-0
- P(d);EP,OGATE,XP(D)::QAR2(K),XP(d)
- Refutation
- P(f);XP(D)
- Try
- P(G);
- Refutation
- P(e);XP(G)
- Try
- P(G);
- Refutation
- P(e);EP,XP(G)
- Try
- Actual
- R(E);
- Vars
- K(b);N_SPINR(c),OGATEB,P-FLIGHT,XP(D)::R(E)
- P(d);N_SPINR(c),OGATE,XB(H)::QAB1(K)
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).