MESON Chess Problem Database
Problem Display
PID: 110761 (8/8/1p2N2p/Bn2RN1P/b1k2Kp1/2P2pP1/8/1Q3n1B w - - 0 1)
Gevers, Raymond
Bulletin de l'AJEC, 1941
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qxb5#
- 1...Bc2
- 2.Qxb5#
- 1...Bb3
- 2.Qxf1#
- 1...Sd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sxg3
- 2.Se3#
- 1...Sa3
- 2.Sd6#
- 1...Sxc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...f2
- 2.Bd5#
- 1...bxa5
- 2.Rc5#
- 1...Bd1
- Tries
- 1.Kxg4?
- 1...Se3+
- 2.Sxe3#
- 1...Sxg3
- 2.Se3#
- 1...Sxc3
- 2.Sd6#
- 1...bxa5
- 2.Rc5#
- 1...Bc2
- 2.Qxb5#
- 1...Bd1
- 2.Qxb5#
- 1...Bb3
- 2.Qxf1#
- 1...Sd2
- 2.Se3#
- 1...Sa3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...f2
- 2.Bd5#
- 1...Sh2+!
- 1...Se3+
- 1.Sc5?
- threat
- 2.Qd3#
- 2.Qxf1#
- 2.Qb4#
- 1...Sxg3
- 2.Se3#
- 2.Qd3#
- 2.Qb4#
- 1...Sxc3
- 2.Qd3#
- 2.Qb4#
- 1...bxa5
- 2.Qd3#
- 1...Bd1
- 2.Qd3#
- 2.Qb4#
- 1...Bc2
- 2.Qb4#
- 1...Bb3
- 2.Qd3#
- 2.Qxf1#
- 2.Qxb3#
- 1...Sd2
- 2.Se3#
- 2.Qd3#
- 2.Qb4#
- 1...Sh2
- 2.Se3#
- 2.Qd3#
- 2.Qb4#
- 1...Se3
- 2.Sxe3#
- 2.Qd3#
- 2.Qb4#
- 1...Sd4
- 2.Sd6#
- 2.Qd3#
- 2.Qb4#
- 1...bxc5!
- threat
- 1.Bg2?
- threat
- 2.Bxf1#
- 1...Sxg3
- 2.Se3#
- 1...Sxc3
- 2.Sd6#
- 1...bxa5
- 2.Rc5#
- 1...Bc2
- 2.Qxb5#
- 1...Bd1
- 2.Qxb5#
- 1...Sd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sd4
- 2.Sd6#
- 1...fxg2!
- threat
- 1.Bxf3?
- threat
- 2.Be2#
- 2.Bd5#
- 1...Sxg3
- 2.Se3#
- 2.Bd5#
- 1...Sxc3
- 2.Sd6#
- 1...bxa5
- 2.Rc5#
- 1...Bc2
- 2.Qxb5#
- 1...Bd1
- 2.Bd5#
- 2.Qxb5#
- 1...Se3
- 2.Sxe3#
- 2.Be2#
- 1...Sd4
- 2.Sd6#
- 2.Bd5#
- 1...Sc7
- 2.Sd6#
- 2.Be2#
- 1...gxf3!
- threat
- 1.Re4+?
- 1...Sd4
- 2.Rxd4#
- 1...Kd5!
- 1...Sd4
- 1.Kxg4?
- Keys
- 1.Rd5!
- 1...Kxd5
- 2.Qe4#
- 1...Sxg3
- 2.Se3#
- 1...Sxc3
- 2.Rd4#
- 1...bxa5
- 2.Rc5#
- 1...Bd1
- 2.Qxb5#
- 1...Bc2
- 2.Qxb5#
- 1...Bb3
- 2.Qd3#
- 1...Sd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sa3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 1...f2
- 2.Qb4#
- 1...Kxd5
- 1.Rd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::QAB1(A),XS(f)
- B(c);SBLOCK::QAB(A),XS(a)
- S(a);N_GUARD::S(H)
- S(a);N_GUARD::S(H),XS(a)
- S(a);N_GUARD,XP(D)::S(H)
- S(f);N_GUARD::S(H)
- S(f);N_GUARD,XP(C)::S(H)
- S(f);N_GUARD::S(H),XS(f)
- P(b);OGATE::B(B)
- P(g);N_GUARD,XB(F)::R1(G)
- Tries
- Try
- K(E);P-FLIGHT,XP(e)
- Vars
- S(a);CHECK,N_GUARD::S(H),XS(a)
- S(a);N_GUARD,XP(D)::S(H)
- S(f);N_GUARD,XP(C)::S(H)
- P(g);N_GUARD,XB(F)::R1(G)
- B(c);N_GUARD::QAB1(A),XS(f)
- B(c);SBLOCK::QAB(A),XS(a)
- S(a);N_GUARD::S(H)
- S(f);N_GUARD::S(H)
- S(f);N_GUARD::S(H),XS(f)
- P(b);OGATE::B(B)
- Refutation
- S(a);CHECK
- Try
- S(J);
- Threat
- DUALS(3)
- Vars
- P(g);XB(F)::QAB1(A)
- B(c);::QAR1(A)
- Refutation
- P(g);XS(J)
- Try
- B(B);
- Threat
- B(B),XS(a)
- Vars
- S(a);N_GUARD,XP(D)::S(H)
- S(f);N_GUARD,XP(C)::S(H)
- P(g);N_GUARD,XB(F)::R1(G)
- B(c);N_GUARD::QAB1(A),XS(f)
- S(a);N_GUARD::S(H)
- S(a);N_GUARD::S(H),XS(a)
- S(f);N_GUARD::S(H)
- Refutation
- P(b);XB(B)
- Try
- B(B);XP(b)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD,XP(C)::S(H)
- P(g);N_GUARD,XB(F)::R1(G)
- B(c);N_GUARD::QAB1(A),XS(f)
- Refutation
- P(e);XB(B)
- Try
- R(G);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::R1(G),XS(f)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- R(G);
- Vars
- K(d);P_SPINP(b),S_FLIGHT,XR(G)::QAB1(A)
- S(a);N_GUARD,XP(D)::S(H)
- S(f);N_GUARD,XP(C)::R1(G)
- P(g);N_GUARD,XB(F)::R1(G)
- B(c);N_GUARD::QAB1(A),XS(f)
- B(c);SBLOCK::QAB1(A)
- S(a);N_GUARD::S(H)
- S(a);N_GUARD::S(H),XS(a)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- P(b);::QAR1(A)
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).