MESON Chess Problem Database
Problem Display
PID: 71802 (3BK3/2Np4/B2pP3/k2N2PR/p4b1R/p3p1r1/2Q1n3/5q2 w - - 0 1)
Kipping, Cyril Stanley
Chess, 1952
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Be5
- 2.Rxa4#
- 2.Qxa4#
- 1...Bxg5
- 2.Rxa4#
- 2.Qxa4#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sd4
- 2.Qc3#
- 1...Be5
- Tries
- 1.Bxe2?
- threat
- 2.Sa6#
- 2.Sa8#
- 2.Qc3#
- 1...Qxe2
- 2.Qc3#
- 1...Bxg5
- 2.Rxa4#
- 2.Qxa4#
- 2.Qc3#
- 1...Qa1
- 2.Sa6#
- 2.Sa8#
- 1...Qc1
- 2.Sa6#
- 2.Sa8#
- 1...Qe1
- 2.Sa6#
- 2.Sa8#
- 1...Be5
- 2.Sa6#
- 2.Sa8#
- 2.Rxa4#
- 2.Qxa4#
- 1...Qb1!
- threat
- 1.Bd3?
- threat
- 2.Sa6#
- 2.Sa8#
- 1...Bxg5
- 2.Rxa4#
- 2.Qxa4#
- 1...Qb1!
- threat
- 1.Bb5?
- threat
- 2.Qxa4#
- 1...Sc3
- 2.Qxc3#
- 1...Qd1!
- threat
- 1.Rxf4?
- threat
- 2.Rxa4#
- 2.Qxa4#
- 1...Sxf4
- 2.Qc3#
- 1...Qd1
- 2.Rxa4#
- 1...Rg4
- 2.Qxa4#
- 1...Sc3
- 2.Qxc3#
- 1...Sd4
- 2.Qc3#
- 1...Qxf4!
- threat
- 1.Qb1?
- threat
- 2.Qb4#
- 2.Qb5#
- 2.Qb6#
- 1...Qe1
- 2.Qb5#
- 2.Qb6#
- 1...Sc1
- 2.Qb4#
- 2.Qb6#
- 1...Sg1
- 2.Qb4#
- 2.Qb6#
- 1...Sc3
- 2.Qb4#
- 2.Qb6#
- 1...Sd4
- 2.Qb4#
- 2.Qb6#
- 1...Qxb1!
- threat
- 1.Qd3?
- threat
- 2.Sa8#
- 2.Qb5#
- 1...Bxg5
- 2.Qb5#
- 1...Qc1
- 2.Qb5#
- 1...Sc1
- 2.Sa8#
- 2.Qc3#
- 1...Sg1
- 2.Sa8#
- 2.Qc3#
- 1...Sc3
- 2.Sa8#
- 2.Qxc3#
- 1...Sd4
- 2.Sa8#
- 2.Qc3#
- 1...Qb1!
- threat
- 1.Qd2+?
- 1...Sc3
- 2.Qxc3#
- 1...exd2!
- 1...Sc3
- 1.Qc4?
- threat
- 2.Sa8#
- 2.Qb5#
- 2.Qb4#
- 1...Bxg5
- 2.Qb5#
- 2.Qxa4#
- 2.Qb4#
- 1...Qe1
- 2.Sa8#
- 2.Qb5#
- 1...Sc1
- 2.Sa8#
- 2.Qc3#
- 2.Qb4#
- 1...Sg1
- 2.Sa8#
- 2.Qc3#
- 2.Qb4#
- 1...Sc3
- 2.Sa8#
- 2.Qxc3#
- 2.Qb4#
- 1...Sd4
- 2.Sa8#
- 2.Qc3#
- 2.Qb4#
- 1...Qb1!
- threat
- 1.Qc6?
- threat
- 2.Sb5#
- 2.Sa8#
- 2.Qb5#
- 2.Qb6#
- 1...Bxg5
- 2.Rxa4#
- 2.Qxa4#
- 2.Qb5#
- 2.Qb6#
- 1...Qb1
- 2.Sb5#
- 1...Sc1
- 2.Sb5#
- 2.Sa8#
- 2.Qc3#
- 2.Qb6#
- 1...Sg1
- 2.Sb5#
- 2.Sa8#
- 2.Qc3#
- 2.Qb6#
- 1...Sc3
- 2.Sb5#
- 2.Sa8#
- 2.Qxc3#
- 2.Qb6#
- 1...Sd4
- 2.Sb5#
- 2.Sa8#
- 2.Qc3#
- 2.Qb6#
- 1...dxc6!
- threat
- 1.Bxe2?
- Keys
- 1.Sb4!
- threat
- 2.Scd5#
- 1...Kxb4
- 2.Sd5#
- 1...Kb6
- 2.Sb5#
- 1...Bxg5
- 2.Sa8#
- 1...d5
- 2.Qc5#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- S(b);N_GUARD::QAB(A)
- S(b);N_GUARD::QAB(A),XS(b)
- Tries
- Try
- B(F);XS(b)
- Threat
- DUALS(3)
- Vars
- Q(a);XB(F)::QAB(A)
- Refutation
- Q(a);
- Try
- B(F);
- Threat
- DUALS(2)
- Refutation
- Q(a);
- Try
- B(F);
- Threat
- QAR1(A),XP(f)
- Vars
- S(b);N_GUARD::QAB(A),XS(b)
- Refutation
- Q(a);
- Try
- R(B);XB(g)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,XR(B)::QAB(A)
- Q(a);::R1(B),XP(f)
- R(e);::QAR1(A),XP(f)
- S(b);N_GUARD::QAB(A),XS(b)
- S(b);N_GUARD::QAB(A)
- Refutation
- Q(a);XR(B)
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- Q(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(g);XP(D)::QAR1(A)
- Q(a);::QAR1(A)
- Refutation
- Q(a);
- Try
- Q(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAB(A),XS(b)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- Q(a);::B(I)+S(H)
- Refutation
- P(j);XQ(A)
- Try
- Actual
- S(C);
- Threat
- B(I)+S(H)
- Vars
- K(h);P_SPINB(g),S_FLIGHT,XS(C)::S(H)
- K(h);S_FLIGHT::B(I)+S(H)
- B(g);P_SPINB(g),XP(D)::B(I)+S(H)
- P(i);N_GUARD::QAR2(A)
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).