MESON Chess Problem Database
Problem Display
PID: 266380 (5Q2/1b1P2N1/3p1NpP/3ppBqR/5kpR/5p1P/5P1P/6K1 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Markovtsy, Vassyl Yuriovich
1st HM., Lacny MT (Pat a Mat), 2020-2021
#2
12 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxh4
- 2.Se6#
- 1...Qxf6
- 2.Rxg4#
- 1...Qxh6
- 2.Se6#
- 2.Rxg4#
- 1...Ba6
- 2.Sxd5#
- 1...Bc8
- 2.Sxd5#
- 1...e4
- 2.Qxd6#
- 1...gxf5
- 2.Se6#
- 1...Qxh4
- Tries
- 1.Se4?
- threat
- 2.Se6#
- 1...Qxf5
- 2.Rxg4#
- 1...Qf6
- 2.Rxg4#
- 1...Qe7
- 2.Rxg4#
- 1...gxf5!
- threat
- 1.Sxg4?
- threat
- 2.Se6#
- 1...Qxg4+
- 2.Rxg4#
- 1...Qxf5
- 2.Se3#
- 1...Qf6
- 2.Sxf6#
- 1...Qe7
- 2.Sf6#
- 1...gxf5!
- threat
- 1.Sh7?
- threat
- 2.Se6#
- 1...Qxf5
- 2.Rxg4#
- 1...e4
- 2.Qxd6#
- 1...Qf6
- 2.Rxg4#
- 1...Qe7
- 2.Rxg4#
- 1...gxf5!
- threat
- 1.Sfe8?
- threat
- 2.Se6#
- 1...Qxf5
- 2.Rxg4#
- 1...e4
- 2.Qxd6#
- 1...Qf6
- 2.Rxg4#
- 1...Qe7
- 2.Rxg4#
- 1...gxf5!
- threat
- 1.Sg8?
- threat
- 2.Se6#
- 1...Qxf5
- 2.Rxg4#
- 1...e4
- 2.Qxd6#
- 1...Qf6
- 2.Rxg4#
- 1...Qe7
- 2.Rxg4#
- 1...gxf5!
- threat
- 1.Be4?
- threat
- 2.Se6#
- 1...Qxf6
- 2.Rxg4#
- 1...dxe4
- 2.Sd5#
- 1...Qf5!
- threat
- 1.Bxg4?
- threat
- 2.Se6#
- 1...Qxg4+
- 2.Rxg4#
- 1...Qxf6
- 2.Be6#
- 1...Qf5
- 2.Bxf5#
- 1...e4!
- threat
- 1.Bxg6?
- threat
- 2.Sxd5#
- 2.Se6#
- 1...Qxf6
- 2.Se6#
- 2.Rxg4#
- 2.Qxf6#
- 1...Qxh5
- 2.Se6#
- 1...Qxg6
- 2.Se6#
- 1...Qf5
- 2.Rxf5#
- 1...d4
- 2.Sd5#
- 2.Se6#
- 1...e4!
- threat
- 1.d8S?
- threat
- 2.Sde6#
- 1...Qxf6
- 2.Rxg4#
- 1...e4
- 2.Qxd6#
- 1...Bc8
- 2.Sxd5#
- 1...Qxf5!
- threat
- 1.Se4?
- Keys
- 1.hxg4!
- threat
- 2.Se6#
- 1...Qxg4+
- 2.Rxg4#
- 1...Qxf6
- 2.g5#
- 1...Qxf5
- 2.gxf5#
- 1...e4
- 2.Qxd6#
- threat
- 1.hxg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(f);N_SPINP(c),XR(E)::S(K)
- Q(f);N_GUARD,XS(H)::R1(E),XP(c)
- B(i);N_GUARD::S(H),XP(d)
- P(e);OGATEB::QAB(L),XP(g)
- P(h);SBLOCK,XB(F)::S(K)
- Tries
- Try
- S(H);
- Threat
- S(K)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XB(F)::R1(E),XP(c)
- Q(f);N_GUARD::R1(E),XP(c)
- Refutation
- P(h);XB(F)
- Try
- S(H);P_SPINS(H),XP(c)
- Threat
- S(K)
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XS(H)::R1(E),XQ(f)
- Q(f);N_PINS(H),P_SPINQ(f),XB(F)::R(E)+S(H)
- Q(f);N_PINS(H)::R(E)+S(H),XQ(f)
- Q(f);N_PINS(H)::R(E)+S(H)
- Refutation
- P(h);P_SPINP(h),XB(F)
- Try
- S(H);
- Threat
- S(K)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XB(F)::R1(E),XP(c)
- P(e);OGATEB::QAB(L),XP(g)
- Q(f);N_GUARD::R1(E),XP(c)
- Refutation
- P(h);XB(F)
- Try
- S(H);
- Threat
- S(K)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XB(F)::R1(E),XP(c)
- P(e);OGATEB::QAB(L),XP(g)
- Q(f);N_GUARD::R1(E),XP(c)
- Refutation
- P(h);XB(F)
- Try
- S(H);
- Threat
- S(K)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XB(F)::R1(E),XP(c)
- P(e);OGATEB::QAB(L),XP(g)
- Q(f);N_GUARD::R1(E),XP(c)
- Refutation
- P(h);XB(F)
- Try
- B(F);
- Threat
- S(K)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XS(H)::R1(E),XP(c)
- P(d);SBLOCK,XB(F)::QAR(L)+S(H),DCHECK
- Refutation
- Q(f);
- Try
- B(F);P_SPINB(F),XP(c)
- Threat
- S(K)
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XB(F)::R1(E),XQ(f)
- Q(f);N_PINB(F),P_SPINQ(f),XS(H)::R(E)+B(F)
- Q(f);N_PINB(F)::R(E)+B(F),XQ(f)
- Refutation
- P(e);
- Try
- B(F);XP(h)
- Threat
- DUALS(2)
- Vars
- Q(f);XR(G)::S(K)
- Q(f);XB(F)::S(K)
- Q(f);OGATE::R1(G),XQ(f)
- Refutation
- P(e);
- Try
- P(J);
- Threat
- S(J)
- Vars
- Q(f);N_GUARD,XS(H)::R1(E),XP(c)
- P(e);OGATEB::QAB(L),XP(g)
- B(i);N_GUARD::S(H),XP(d)
- Refutation
- Q(f);XB(F)
- Try
- Actual
- P(D);P_SPINP(D),XP(c)
- Threat
- S(K)
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XP(D)::R1(E),XQ(f)
- Q(f);N_PINP(D),XS(H)::R(E)+P(D)
- Q(f);N_PINP(D),XB(F)::R(E)+P(D),XQ(f)
- P(e);OGATEB::QAB(L),XP(g)
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).