MESON Chess Problem Database
Problem Display
PID: 239031 (b1Nr1qrb/2N5/1pP1P3/pBk2n1R/3nQ3/Pp2BRP1/5K2/8 w - - 0 1)
Petite, Efren
Problemas, 2014
#2
12 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Qxd5#
- 1...Rxc8
- 2.Qd5#
- 1...Re8
- 2.Qd5#
- 1...Bxc6
- 2.Qxc6#
- 1...b2
- 2.Qc2#
- 1...Rd5
- Tries
- 1.Bc1?
- threat
- 2.Rc3#
- 1...Rxc8
- 2.Qd5#
- 1...Sxf3
- 2.Qc4#
- 1...Sxb5
- 2.Sa6#
- 1...Sxc6
- 2.Qc4#
- 1...Sxe6
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Se2
- 2.Qc4#
- 1...Rxg3!
- threat
- 1.Bd2?
- threat
- 2.Rc3#
- 1...Rxc8
- 2.Qd5#
- 1...Sxf3
- 2.Qc4#
- 1...Sxb5
- 2.Sa6#
- 1...Sxc6
- 2.Qc4#
- 1...Sxe6
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Se2
- 2.Qc4#
- 1...Rxg3!
- threat
- 1.Bf4?
- threat
- 2.Rc3#
- 1...Sxf3
- 2.Qc4#
- 1...Sxb5
- 2.Sa6#
- 1...Sxc6
- 2.Qc4#
- 1...Sxe6
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Se2
- 2.Qc4#
- 1...Rxg3!
- threat
- 1.Bh6?
- threat
- 2.Rc3#
- 1...Rxc8
- 2.Qd5#
- 1...Sxf3
- 2.Qc4#
- 1...Sxb5
- 2.Sa6#
- 1...Sxc6
- 2.Qc4#
- 1...Sxe6
- 2.Qc4#
- 1...Sc2
- 2.Qc4#
- 1...Se2
- 2.Qc4#
- 1...Rxg3!
- threat
- 1.Bf1?
- threat
- 2.Sa6#
- 1...Rxc8
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Bb7!
- threat
- 1.Be2?
- threat
- 2.Sa6#
- 1...Rxc8
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Bb7!
- threat
- 1.Bd3?
- threat
- 2.Sa6#
- 1...Rxc8
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Bb7!
- threat
- 1.Rh1?
- threat
- 2.Rc1#
- 1...Rxc8
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...b2
- 2.Qc2#
- 1...Sxe3!
- threat
- 1.Qb1?
- threat
- 2.Qc1#
- 1...b2
- 2.Qc2#
- 1...Rxc8!
- threat
- 1.Qe5+?
- 1...Rd5
- 2.Qxd5#
- 1...Bxe5!
- 1...Rd5
- 1.Bc1?
- Keys
- 1.Bg5!
- threat
- 2.Rc3#
- 1...Rxc8
- 2.Qd5#
- 1...Sxf3
- 2.Qc4#
- 1...Sxb5
- 2.Sa6#
- 1...Sxc6
- 2.Qc4#
- 1...Sxe6
- 2.Qc4#
- 1...Sxg3
- 2.Be7#
- 1...Sc2
- 2.Qc4#
- 1...Se2
- 2.Qc4#
- 1...Se3
- 2.Be7#
- 1...Sh4
- 2.Be7#
- 1...Sd6
- 2.Qd5#
- 1...Sh6
- 2.Be7#
- 1...Se7
- 2.Bxe7#
- 1...Sg7
- 2.Be7#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 4
- Sets
- R(h);N_GUARD::QAR1(F),XR(h)
- R(h);N_GUARD,XS(L)::QAR1(F)
- R(h);N_GUARD::QAR1(F)
- B(g);OGATE,XP(I)::QAR1(F),XB(g)
- P(a);N_GUARD::QAR(F)
- Tries
- Try
- B(C);N_PINS(b),P_PINS(e)
- Threat
- R(D)
- Vars
- R(h);N_GUARD,XS(L)::QAR1(F)
- S(b);OGATE,XR(D)::QAR1(F)
- S(b);SBLOCK,XB(G)::S(K)
- S(b);OGATE,XP(I)::QAR1(F)
- S(b);OGATE,XP(J)::QAR1(F)
- S(b);OGATE::QAR1(F)
- Refutation
- R(j);XP(E)
- Try
- B(C);N_PINS(b),P_PINS(e)
- Threat
- R(D)
- Vars
- R(h);N_GUARD,XS(L)::QAR1(F)
- S(b);OGATE,XR(D)::QAR1(F)
- S(b);SBLOCK,XB(G)::S(K)
- S(b);OGATE,XP(I)::QAR1(F)
- S(b);OGATE,XP(J)::QAR1(F)
- S(b);OGATE::QAR1(F)
- Refutation
- R(j);XP(E)
- Try
- B(C);N_PINS(b),P_PINS(e)
- Threat
- R(D)
- Vars
- S(b);OGATE,XR(D)::QAR1(F)
- S(b);SBLOCK,XB(G)::S(K)
- S(b);OGATE,XP(I)::QAR1(F)
- S(b);OGATE,XP(J)::QAR1(F)
- S(b);OGATE::QAR1(F)
- Refutation
- R(j);XP(E)
- Try
- B(C);N_PINS(b),P_PINS(e)
- Threat
- R(D)
- Vars
- R(h);N_GUARD,XS(L)::QAR1(F)
- S(b);OGATE,XR(D)::QAR1(F)
- S(b);SBLOCK,XB(G)::S(K)
- S(b);OGATE,XP(I)::QAR1(F)
- S(b);OGATE,XP(J)::QAR1(F)
- S(b);OGATE::QAR1(F)
- Refutation
- R(j);XP(E)
- Try
- B(G);
- Threat
- S(K)
- Vars
- R(h);N_GUARD,XS(L)::QAR1(F)
- R(h);N_GUARD::QAR1(F),XR(h)
- Refutation
- B(g);
- Try
- B(G);
- Threat
- S(K)
- Vars
- R(h);N_GUARD,XS(L)::QAR1(F)
- R(h);N_GUARD::QAR1(F),XR(h)
- Refutation
- B(g);
- Try
- B(G);
- Threat
- S(K)
- Vars
- R(h);N_GUARD,XS(L)::QAR1(F)
- R(h);N_GUARD::QAR1(F),XR(h)
- Refutation
- B(g);
- Try
- R(H);
- Threat
- R(H)
- Vars
- R(h);N_GUARD,XS(L)::QAR1(F)
- S(e);P_PINR(D),S_CUTR(h)::QAR1(F)
- P(a);N_GUARD::QAR(F)
- Refutation
- S(e);N_SPINS(b),P_PINR(D),XB(C)
- Try
- Q(F);
- Threat
- QAR(F)
- Vars
- P(a);N_GUARD::QAR(F)
- Refutation
- R(h);XS(L)
- Try
- Q(F);CHECK
- Vars
- R(h);N_GUARD,P_SPINR(h)::QAR1(F),XR(h)
- Refutation
- B(k);XQ(F)
- Try
- Actual
- B(C);N_PINS(b)
- Threat
- R(D)
- Vars
- R(h);N_GUARD,XS(L)::QAR1(F)
- S(b);OGATE,XR(D)::QAR1(F)
- S(b);SBLOCK,XB(G)::S(K)
- S(b);OGATE,XP(I)::QAR1(F)
- S(b);OGATE,XP(J)::QAR1(F)
- S(e);P_PINR(D),XP(E)::R(H)+B(C),DCHECK
- S(b);OGATE::QAR1(F)
- S(e);P_PINR(D)::R(H)+B(C),DCHECK
- S(e);P_PINR(D),S_CUTR(h)::QAR1(F)
- S(e);P_PINR(D)::R(H)+B(C),DCHECK,XS(e)
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).