MESON Chess Problem Database
Problem Display
PID: 196810 (5NKR/5pPP/p2R3Q/B1pqpP2/1p1k2P1/1P2pP2/N1P5/8 w - - 0 1)
Anonymous
BCPS Victory Ty., 1919
#2
14 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxd6
- 2.Qxd6#
- 1...e2
- 2.Qd2#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Qf6#
- 1...f6+
- 2.Se6#
- 1...Qxd6
- Tries
- 1.Sd7?
- 1...Qxd6
- 2.Qxd6#
- 1...e2
- 2.Qd2#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Qf6#
- 1...f6+!
- 1...Qxd6
- 1.Bb6?
- 1...f6+
- 2.Se6#
- 1...Qxd6
- 2.Qxd6#
- 1...e4
- 2.Qf6#
- 1...e2
- 2.Qd2#
- 1...a5!
- 1...f6+
- 1.Bc7?
- 1...f6+
- 2.Se6#
- 1...Qxd6
- 2.Qxd6#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Qf6#
- 1...e2
- 2.Qd2#
- 1...a5!
- 1...f6+
- 1.Bd8?
- 1...f6+
- 2.Se6#
- 1...Qxd6
- 2.Qxd6#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Bf6#
- 2.Qf6#
- 1...e2
- 2.Qd2#
- 1...a5!
- 1...f6+
- 1.Rd7?
- 1...f6+
- 2.Se6#
- 1...Qd6
- 2.Rxd6#
- 2.Qxd6#
- 1...c4
- 2.Bb6#
- 2.Qb6#
- 1...e4
- 2.Qf6#
- 1...e2
- 2.Qd2#
- 1...Qxd7!
- 1...f6+
- 1.Rd8?
- 1...f6+
- 2.Se6#
- 1...Qd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Qd7
- 2.Rxd7#
- 1...c4
- 2.Bb6#
- 2.Qb6#
- 1...e4
- 2.Qf6#
- 1...e2
- 2.Qd2#
- 1...Qxd8!
- 1...f6+
- 1.Qf4+?
- 1...e4
- 2.Qxe4#
- 1...exf4!
- 1...e4
- 1.Qg5?
- 1...f6+
- 2.Se6#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Qf6#
- 1...e2
- 2.Qd2#
- 1...Qxd6!
- 1...f6+
- 1.Qh4?
- 1...f6+
- 2.Se6#
- 1...e2
- 2.Qf2#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Qf6#
- 1...Qxd6!
- 1...f6+
- 1.Qe6?
- threat
- 2.Rxd5#
- 2.Qxd5#
- 1...Qxd6
- 2.Qc4#
- 2.Qxd6#
- 1...fxe6
- 2.Sxe6#
- 1...e2!
- threat
- 1.Qf6?
- 1...Qxd6
- 2.Qxd6#
- 1...c4
- 2.Bb6#
- 1...e2!
- 1...Qxd6
- 1.Qg6?
- 1...fxg6+
- 2.Se6#
- 1...f6+
- 2.Se6#
- 1...Qxd6
- 2.Qxd6#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Qf6#
- 1...e2!
- 1...fxg6+
- 1.g5?
- 1...f6+
- 2.Se6#
- 1...Qxd6
- 2.Qxd6#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Qf6#
- 1...e2!
- 1...f6+
- 1.Sd7?
- Keys
- 1.Qh1!
- threat
- 2.Qa1#
- 2.Qd1#
- 1...f6+
- 2.Se6#
- 1...Qxd6
- 2.Qd1#
- 1...e2
- 2.Qg1#
- 1...c4
- 2.Bb6#
- 1...e4
- 2.Qa1#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(e);N_SPINQ(e),OGATE,XR(H)::QAR2(I),XQ(e)
- P(a);OGATE::QAR2(I)
- P(d);OGATEB::B(F)
- P(f);OGATEB::QAB(I)
- P(h);CHECK,N_GUARD::S(L)
- Tries
- Try
- S(L);
- Vars
- Q(e);N_SPINQ(e),OGATE,XR(H)::QAR2(I),XQ(e)
- P(a);OGATE::QAR2(I)
- P(d);OGATEB::B(F)
- P(f);OGATEB::QAB(I)
- Refutation
- P(h);CHECK
- Try
- B(F);P_PINP(d)
- Vars
- P(h);CHECK,N_GUARD::S(L)
- Q(e);N_SPINQ(e),OGATE,XR(H)::QAR2(I),XQ(e)
- P(f);OGATEB::QAB(I)
- P(a);OGATE::QAR2(I)
- Refutation
- P(g);
- Try
- B(F);
- Vars
- P(h);CHECK,N_GUARD::S(L)
- Q(e);N_SPINQ(e),OGATE,XR(H)::QAR2(I),XQ(e)
- P(d);OGATEB::B(F)
- P(f);OGATEB::QAB(I)
- P(a);OGATE::QAR2(I)
- Refutation
- P(g);
- Try
- B(F);
- Vars
- P(h);CHECK,N_GUARD::S(L)
- Q(e);N_SPINQ(e),OGATE,XR(H)::QAR2(I),XQ(e)
- P(d);OGATEB::B(F)
- P(a);OGATE::QAR2(I)
- Refutation
- P(g);
- Try
- R(H);
- Vars
- P(h);CHECK,N_GUARD::S(L)
- P(f);OGATEB::QAB(I)
- P(a);OGATE::QAR2(I)
- Refutation
- Q(e);N_SPINQ(e),XR(H)
- Try
- R(H);
- Vars
- P(h);CHECK,N_GUARD::S(L)
- Q(e);OGATEB::R(H),XQ(e)
- P(f);OGATEB::QAB(I)
- P(a);OGATE::QAR2(I)
- Refutation
- Q(e);N_SPINQ(e),P_PINS(L),XR(H)
- Try
- Q(I);CHECK
- Vars
- P(f);P_SPINP(f)::QAR1(I),XP(f)
- Refutation
- P(f);XQ(I)
- Try
- Q(I);
- Vars
- P(h);CHECK,N_GUARD::S(L)
- P(d);OGATEB::B(F)
- P(f);OGATEB::QAB(I)
- P(a);OGATE::QAR2(I)
- Refutation
- Q(e);N_SPINQ(e),XR(H)
- Try
- Q(I);
- Vars
- P(h);CHECK,N_GUARD::S(L)
- P(a);OGATEB::QAB(I)
- P(d);OGATEB::B(F)
- P(f);OGATEB::QAB(I)
- Refutation
- Q(e);N_SPINQ(e),XR(H)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(h);XQ(I)::S(L),XP(h)
- Refutation
- P(a);
- Try
- Q(I);P_PINP(f)
- Vars
- Q(e);N_SPINQ(e),OGATE,XR(H)::QAR2(I),XQ(e)
- P(d);OGATEB::B(F)
- Refutation
- P(a);
- Try
- Q(I);
- Vars
- P(h);CHECK,N_GUARD,XQ(I)::S(L)
- P(h);CHECK,N_GUARD::S(L)
- Q(e);N_SPINQ(e),OGATE,XR(H)::QAR2(I),XQ(e)
- P(d);OGATEB::B(F)
- P(f);OGATEB::QAB(I)
- Refutation
- P(a);
- Try
- P(E);
- Vars
- P(h);CHECK,N_GUARD::S(L)
- Q(e);N_SPINQ(e),OGATE,XR(H)::QAR2(I),XQ(e)
- P(d);OGATEB::B(F)
- P(f);OGATEB::QAB(I)
- Refutation
- P(a);
- Try
- Actual
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(h);CHECK,N_GUARD::S(L)
- Q(e);N_SPINQ(e),XR(H)::QAR(I)
- P(a);OGATEB::QAB(I)
- P(d);OGATEB::B(F)
- P(f);::QAB(I)
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).