MESON Chess Problem Database
Problem Display
PID: 15339 (1K2B3/2BNp3/1Pk1P1R1/2N5/P5Q1/8/b1n5/3Rq3 w - - 0 1)
McDowell, Michael
Schiffs with Everything, 1983
#2
11 + 5
SOLUTION
- SOUND
- Tries
- 1.Sb3?
- threat
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qc4#
- 1...Qxd1
- 2.Qc4#
- 1...Qxe6
- 2.Sa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf8#
- 2.Rxe6#
- 2.Qf3#
- 2.Qxe6#
- 2.Qg2#
- 2.Qc4#
- 2.Qe4#
- 1...Qd2
- 2.Qc4#
- 1...Sd4
- 2.Sf6#
- 1...Qf2
- 2.Sa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qe4#
- 1...Qc3
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qe4#
- 1...Qb4
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qh4
- 2.Sa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qa5
- 2.Sxa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qf1
- 2.Sa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qe4#
- 1...Qg1
- 2.Sa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qf3#
- 2.Qe4#
- 1...Qe2
- 2.Sa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qe3
- 2.Sa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qe4
- 2.Sa5#
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qxe4#
- 1...Qe5
- 2.Sdc5#
- 2.Sxe5#
- 2.Sf6#
- 2.Sf8#
- 1...Sa3
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Se3
- 2.Sdc5#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Bxb3!
- threat
- 1.Qf3+?
- 1...Bd5
- 2.Qxd5#
- 1...Qe4!
- 1...Bd5
- 1.Qg2+?
- 1...Bd5
- 2.Qxd5#
- 1...Qe4!
- 1...Bd5
- 1.Qc4?
- threat
- 2.Sb3#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Qxd1
- 2.Sb3#
- 2.Se5#
- 1...Qxe6
- 2.Sb3#
- 2.Se5#
- 2.Sf8#
- 2.Rxe6#
- 2.Qb5#
- 1...Qe4
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Qd2
- 2.Sb3#
- 2.Se5#
- 1...Qf2
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Qc3
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Qb4
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qh4
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Qa5
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qf1
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qg1
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Qe2
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qe3
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Qe5
- 2.Sxe5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Bb3
- 2.Sxb3#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Sa3
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Se3
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 2.Qb5#
- 1...Sd4
- 2.Sb3#
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Bxc4!
- threat
- 1.Qd4?
- threat
- 2.Se5#
- 2.Sf6#
- 2.Sf8#
- 1...Qxe6
- 2.Se5#
- 2.Sf8#
- 1...Bxe6
- 2.Se5#
- 2.Sf8#
- 2.Qd5#
- 1...Qe5
- 2.Sxe5#
- 2.Sf6#
- 2.Sf8#
- 1...Sxd4!
- threat
- 1.Qe4+?
- 1...Bd5
- 2.Qxd5#
- 1...Qxe4!
- 1...Bd5
- 1.Sb3?
- Keys
- 1.Sd3!
- threat
- 2.Sf6#
- 1...Kd5
- 2.Sb4#
- 1...Qxe6
- 2.S3e5#
- 1...Bxe6
- 2.Qc4#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- Q(a);XR(A)::QAR2(C)
- Q(a);::QAR2(C)
- S(c);::B(K)+S(I)
- Refutation
- B(b);XS(D)
- Try
- Q(C);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAB1(C),XB(b)
- Refutation
- Q(a);P_SPINQ(a)
- Try
- Q(C);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAB1(C),XB(b)
- Refutation
- Q(a);P_SPINQ(a)
- Try
- Q(C);
- Threat
- DUALS(5)
- Refutation
- B(b);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(3)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAB1(C),XB(b)
- Refutation
- Q(a);XQ(C)
- Try
- Actual
- S(D);
- Threat
- B(K)+S(I)
- Vars
- K(d);S_FLIGHT::R(A)+S(D),DCHECK
- Q(a);N_GUARD,P_SPINQ(a),XP(F)::S(D)
- B(b);N_GUARD,P_SPINB(b),XP(F)::QAR2(C)
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).