MESON Chess Problem Database
Problem Display
PID: 103998 (1B1b4/2p5/b1B2Rp1/kppN2Rp/7K/PQ6/8/8 w - - 0 1)
Ivanic, Petar
To Mat, 1954
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...Bxf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...c4
- 2.Qb4#
- 1...Bb7
- Tries
- 1.Kg3?
- 1...Bxf6
- 2.Bxc7#
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...c4
- 2.Qb4#
- 1...h4+!
- 1...Bxf6
- 1.Bxb5?
- threat
- 2.Rxa6#
- 2.Qa4#
- 1...Bxf6
- 2.Bxc7#
- 2.Qa4#
- 1...Bb7
- 2.Qa4#
- 1...Bc8
- 2.Qa4#
- 1...c6
- 2.Qa4#
- 1...Bxb5!
- threat
- 1.Bd7?
- 1...Bxf6
- 2.Bxc7#
- 1...c4
- 2.Qb4#
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...c6!
- 1...Bxf6
- 1.Be8?
- 1...Bxf6
- 2.Bxc7#
- 1...c4
- 2.Qb4#
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...c6!
- 1...Bxf6
- 1.Rgxg6?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxf6+!
- 1...Bb7
- 1.Rf1?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Bf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxg5+!
- 1...Bb7
- 1.Rf2?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Bf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxg5+!
- 1...Bb7
- 1.Rf3?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Bf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxg5+!
- 1...Bb7
- 1.Rf4?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Bf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxg5+!
- 1...Bb7
- 1.Re6?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Bf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxg5+!
- 1...Bb7
- 1.Rfxg6?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Bf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxg5+!
- 1...Bb7
- 1.Rf7?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Bf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxg5+!
- 1...Bb7
- 1.Rf8?
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Bf6
- 2.Bxc7#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qa4#
- 1...Bxg5+!
- 1...Bb7
- 1.a4?
- 1...Bxf6
- 2.Bxc7#
- 1...bxa4
- 2.Qxa4#
- 2.Qc3#
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...c4
- 2.Qb4#
- 1...Be7
- 2.Bxc7#
- 1...b4!
- 1...Bxf6
- 1.Kg3?
- Keys
- 1.Se3!
- 1...Kb6
- 2.Sc4#
- 1...Bxf6
- 2.Bxc7#
- 1...Bb7
- 2.Qxb5#
- 1...Bc8
- 2.Qxb5#
- 1...Be7
- 2.Bxc7#
- 1...b4
- 2.Qxb4#
- 1...c4
- 2.Sxc4#
- 1...Kb6
- 1.Se3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::QAR1(B),XP(b)
- B(h);N_GUARD,P_PINR(E),XR(G)::B(H),XP(g)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- P(c);N_GUARD::QAB1(B)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- B(h);N_GUARD,XR(G)::B(H),XP(g)
- B(e);N_GUARD::QAR1(B),XP(b)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- P(c);N_GUARD::QAB1(B)
- Refutation
- P(d);CHECK
- Try
- B(F);XP(b)
- Threat
- DUALS(2)
- Vars
- B(e);::QAR1(B)
- P(g);::QAR1(B)
- Refutation
- B(e);XB(F)
- Try
- B(F);
- Vars
- B(h);N_GUARD,P_PINR(E),XR(G)::B(H),XP(g)
- P(c);N_GUARD::QAB1(B)
- B(e);N_GUARD::QAR1(B),XP(b)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- P(g);
- Try
- B(F);
- Vars
- B(h);N_GUARD,P_PINR(E),XR(G)::B(H),XP(g)
- P(c);N_GUARD::QAB1(B)
- B(e);N_GUARD::QAR1(B),XP(b)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- P(g);
- Try
- R(E);P_SPINR(G),XP(f)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(G)
- Try
- R(G);P_SPINR(E)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(E)
- Try
- R(G);P_SPINR(E)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(E)
- Try
- R(G);P_SPINR(E)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(E)
- Try
- R(G);P_SPINR(E)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(E)
- Try
- R(G);P_SPINR(E)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(E)
- Try
- R(G);P_SPINR(E),XP(f)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(E)
- Try
- R(G);P_SPINR(E)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(E)
- Try
- R(G);P_SPINR(E)
- Vars
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- P(b);N_GUARD::QAR1(B)
- Refutation
- B(h);CHECK,XR(E)
- Try
- P(A);
- Vars
- B(h);N_GUARD,P_PINR(E),XR(G)::B(H),XP(g)
- B(e);N_GUARD::QAR1(B),XP(b)
- P(c);N_GUARD::QAB1(B)
- B(h);N_GUARD::B(H),XP(g)
- Refutation
- P(b);
- Try
- Actual
- S(D);
- Vars
- K(a);P_SPINP(b),S_FLIGHT::S(D)
- B(h);N_GUARD,P_PINR(E),XR(G)::B(H),XP(g)
- B(e);N_GUARD::QAR1(B),XP(b)
- B(h);N_GUARD::B(H),XP(g)
- P(b);P_SPINP(c)::QAB1(B),XP(b)
- P(c);P_SPINP(b)::S(D),XP(c)
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).