MESON Chess Problem Database
Problem Display
PID: 174427 (1B6/5K2/7N/R3rN1p/5k1p/3pp2Q/4p1nP/b3n1RB w - - 0 1)
Avner, Uri
Variantim, 1992
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qxe3#
- 1...Kg5
- 2.Qxh4#
- 1...Ke4
- Tries
- 1.Se7?
- threat
- 2.Qf5#
- 1...Kg5
- 2.Qxe3#
- 1...Ke4!
- threat
- 1.Sg7?
- threat
- 2.Qf5#
- 1...Kg5
- 2.Qxe3#
- 1...Ke4!
- threat
- 1.Bxe5+?
- 1...Ke4
- 2.Sd6#
- 2.Qxe3#
- 1...Kg5
- 2.Qxe3#
- 2.Qxh4#
- 1...Bxe5!
- 1...Ke4
- 1.Ra4+?
- 1...Kg5
- 2.Qxh4#
- 1...Bd4!
- 1...Kg5
- 1.Qxg2?
- threat
- 2.Qe4#
- 2.Qg5#
- 1...Sf3
- 2.Qxf3#
- 1...Sxg2!
- threat
- 1.Qg3+?
- 1...Ke4
- 2.Qxe3#
- 1...hxg3!
- 1...Ke4
- 1.Se7?
- Keys
- 1.Sd4!
- threat
- 2.Qf5#
- 1...Ke4
- 2.Qxh4#
- 1...Kg5
- 2.Qxe3#
- threat
- 1.Sd4!
This is a version of 174426
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(g);N_SPINR(i),P-FLIGHT,P_SPINS(d)::QAR1(D),XP(f)
- K(g);N_SPINR(i),P_SPINS(d),S_FLIGHT::QAB1(D),XP(h)
- Tries
- Try
- S(F);
- Threat
- QAR1(D)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAB(D),XP(f)
- Refutation
- K(g);N_SPINR(i),P-FLIGHT,P_SPINS(d)
- Try
- S(F);
- Threat
- QAR1(D)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAB(D),XP(f)
- Refutation
- K(g);N_SPINR(i),P-FLIGHT,P_SPINS(d)
- Try
- B(I);CHECK,XR(i)
- Refutation
- B(a);XB(I)
- Try
- R(E);CHECK
- Vars
- K(g);N_SPINR(i),P_SPINS(d),S_FLIGHT::QAB1(D),XP(h)
- Refutation
- B(a);P_SPINB(a)
- Try
- Q(D);XS(d)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::QAR1(D),XS(b)
- Refutation
- S(b);XQ(D)
- Try
- Q(D);CHECK
- Vars
- K(g);N_SPINR(i),P-FLIGHT,P_SPINS(d)::QAR1(D),XP(f)
- Refutation
- P(h);XQ(D)
- Try
- Actual
- S(F);
- Threat
- QAR1(D)
- Vars
- K(g);N_SPINR(i),P-FLIGHT,P_SPINS(d)::QAR(D),XP(h)
- K(g);P_SPINS(d),S_FLIGHT::QAB(D),XP(f)
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).