MESON Chess Problem Database
Problem Display
PID: 107908 (3N1KB1/1p2R3/1p1k4/1r3P1p/1p1P4/1b1RN3/3Q3n/n5Br w - - 0 1)
Chognijsuren, G
Uralski Skazi, 1990
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxf5+
- 2.Sxf5#
- 1...Bd1
- 2.Sc4#
- 1...Bc2
- 2.Sc4#
- 1...Ba4
- 2.Sc4#
- 1...Bc4
- 2.Sxc4#
- 1...Rxf5+
- Tries
- 1.Sd5?
- threat
- 2.Qf4#
- 2.Qh6#
- 1...Rxg1
- 2.Qf4#
- 1...Rxd5
- 2.Qh6#
- 1...Bxd5
- 2.Qf4#
- 1...Sf3
- 2.Qh6#
- 1...Sg4!
- threat
- 1.Bxh2+?
- 1...Re5
- 2.Bxe5#
- 2.Qxb4#
- 1...Rxh2!
- 1...Re5
- 1.Be6?
- threat
- 2.Rd7#
- 1...Rxf5+
- 2.Sxf5#
- 1...Bxe6!
- threat
- 1.Rxb3?
- threat
- 2.Sc4#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rc5!
- threat
- 1.Qc1?
- threat
- 2.Sxb7#
- 2.Qc7#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rc5
- 2.dxc5#
- 1...Bc2
- 2.Sc4#
- 1...Bc4
- 2.Sxc4#
- 1...Bd5
- 2.Qc7#
- 1...Sc2!
- threat
- 1.Qc3?
- threat
- 2.Sxb7#
- 2.Qc7#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rc5
- 2.dxc5#
- 1...Bc4
- 2.Sxc4#
- 1...Bd5
- 2.Qc7#
- 1...bxc3!
- threat
- 1.Qxb4+?
- 1...Rc5
- 2.dxc5#
- 1...Rxb4!
- 1...Rc5
- 1.Qc2?
- threat
- 2.Sxb7#
- 2.Qc7#
- 1...Rxf5+
- 2.Sxf5#
- 1...Bxc2
- 2.Sc4#
- 1...Rc5
- 2.dxc5#
- 1...Bc4
- 2.Sxc4#
- 1...Bd5
- 2.Qc7#
- 1...Sxc2!
- threat
- 1.Qg2?
- threat
- 2.Sxb7#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rd5
- 2.Qg6#
- 1...Bd5
- 2.Qg3#
- 1...Sf3!
- threat
- 1.Qxh2+?
- 1...Re5
- 2.Qxe5#
- 1...Rxh2!
- 1...Re5
- 1.Sd5?
- Keys
- 1.d5!
- threat
- 2.Sxb7#
- 1...Kc5
- 2.Sxb7#
- 1...Rxd5
- 2.Qxb4#
- 1...Bxd5
- 2.Sc4#
- threat
- 1.d5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(f);CHECK,XP(F)::S(D),XR(f)
- B(d);N_GUARD::S(D)
- B(d);N_GUARD::S(D),XB(d)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(b);XB(A)::QAB(B)
- R(f);XS(D)::QAR(B)
- B(d);XS(D)::QAB(B)
- S(c);::QAR(B)
- Refutation
- S(c);
- Try
- B(A);CHECK,XS(c)
- Refutation
- R(b);XB(A)
- Try
- B(J);
- Threat
- R1(G)
- Vars
- R(f);CHECK,XP(F)::S(D),XR(f)
- Refutation
- B(d);XB(J)
- Try
- R(C);XB(d)
- Threat
- S(D)
- Vars
- R(f);CHECK,XP(F)::S(D),XR(f)
- Refutation
- R(f);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,XP(F)::S(D),XR(f)
- R(f);OGATE::R(C)+P(E)DCHECK,XR(f)
- B(d);N_GUARD::S(D)
- B(d);N_GUARD::S(D),XB(d)
- B(d);::QAB1(B)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,XP(F)::S(D),XR(f)
- R(f);OGATE::R(C)+P(E)DCHECK,XR(f)
- B(d);N_GUARD::S(D),XB(d)
- B(d);::QAB1(B)
- Refutation
- P(e);XQ(B)
- Try
- Q(B);CHECK,XP(e)
- Vars
- R(f);OGATE,P_SPINR(f)::R(C)+P(E)DCHECK,XR(f)
- Refutation
- R(f);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,XP(F)::S(D),XR(f)
- B(d);N_GUARD,XQ(B)::S(D)
- R(f);OGATE::R(C)+P(E)DCHECK,XR(f)
- B(d);N_GUARD::S(D),XB(d)
- B(d);::QAB1(B)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);
- Threat
- S(H),XP(j)
- Vars
- R(f);CHECK,XP(F)::S(D),XR(f)
- R(f);S_CUTB(d)::QAR(B)
- B(d);S_CUTR(f)::QAB(B)
- Refutation
- S(c);
- Try
- Q(B);CHECK,XS(c)
- Vars
- R(f);N_GUARD,P_SPINR(f)::QAB1(B),XR(f)
- Refutation
- R(b);XQ(B)
- Try
- Actual
- P(E);
- Threat
- S(H),XP(j)
- Vars
- K(i);S_FLIGHT::S(H),XP(j)
- R(f);N_GUARD,P_SPINR(f),XP(E)::QAB(B),XP(e)
- B(d);N_GUARD,P_SPINB(d),XP(E)::S(D)
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).