MESON Chess Problem Database
Problem Display
PID: 56037 (1q3r2/B2N2p1/B1R1Q1Pp/1r1Pb2K/5p2/RN1k1p2/1pppbP2/2n5 w - - 0 1)
Mansfield, Comins
1st Highly Comm., Chess in Australia, 1979-1980
#2
11 + 14
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Sxd2#
- 1...Rf5+
- 2.Qxf5#
- 1...Rc8
- 2.Qf5#
- 1...Rd8
- 2.Qf5#
- 1...Re8
- 2.Qf5#
- 1...Rg8
- 2.Qf5#
- 1...Rh8
- 2.Qf5#
- 1...Bd4
- 2.Sxc1#
- 1...Bd6
- 2.Sxc1#
- 1...Bf6
- 2.Sxc1#
- 2.Qf5#
- 1...Bc7
- 2.Sxc1#
- 1...Ke4
- Tries
- 1.Sbc5+?
- 1...Kc4
- 2.Sd3#
- 1...Kd4!
- 1...Kc4
- 1.Sxe5+?
- 1...Ke4
- 2.Sxd2#
- 1...Qxe5+!
- 1...Ke4
- 1.Sf6?
- threat
- 2.Sxc1#
- 2.Qf5#
- 1...Qxa7
- 2.Bxb5#
- 2.Qf5#
- 1...Sxb3
- 2.Qf5#
- 1...gxf6
- 2.Qf5#
- 1...Bd1
- 2.Sxc1#
- 1...Bf1
- 2.Sxc1#
- 1...d1Q
- 2.Qf5#
- 1...d1S
- 2.Qf5#
- 1...d1B
- 2.Qf5#
- 1...d1R
- 2.Qf5#
- 1...Qb6
- 2.Qf5#
- 1...Qc8
- 2.Sxc1#
- 2.Bxb5#
- 1...Bc3
- 2.Qf5#
- 2.Qe4#
- 1...Sa2
- 2.Sc1#
- 2.Qf5#
- 1...Rxf6!
- threat
- 1.Bxb5+?
- 1...Ke4
- 2.Sxd2#
- 2.Sdc5#
- 1...Qxb5!
- 1...Ke4
- 1.Qxe5?
- threat
- 2.Sxc1#
- 2.Rc3#
- 2.Qd4#
- 1...Rf5+
- 2.Qxf5#
- 1...Qxa7
- 2.Sxc1#
- 2.Bxb5#
- 2.Rc3#
- 1...Sxb3
- 2.Rxb3#
- 2.Rc3#
- 2.Qd4#
- 1...b1S
- 2.Sxc1#
- 2.Qd4#
- 1...d1Q
- 2.Rc3#
- 2.Qd4#
- 1...d1S
- 2.Qd4#
- 1...d1B
- 2.Rc3#
- 2.Qd4#
- 1...d1R
- 2.Rc3#
- 2.Qd4#
- 1...Qc7
- 2.Sxc1#
- 2.Bxb5#
- 2.Qd4#
- 1...Qb6
- 2.Sxc1#
- 2.Rc3#
- 1...Qc8
- 2.Sxc1#
- 2.Bxb5#
- 2.Qd4#
- 1...Rc8
- 2.Sxc1#
- 2.Qd4#
- 2.Qf5#
- 1...Bd1
- 2.Sxc1#
- 2.Rc3#
- 1...Bf1
- 2.Sxc1#
- 2.Rc3#
- 1...Sa2
- 2.Sc1#
- 2.Qd4#
- 1...Qxe5+!
- threat
- 1.Sbc5+?
- Keys
- 1.d6!
- threat
- 2.Qc4#
- 1...Rf5+
- 2.Qxf5#
- 1...Bc3+
- 2.Sdc5#
- 1...Bd4+
- 2.Sbc5#
- 1...Bxd6+
- 2.Qd5#
- 1...Bf6+
- 2.Qf5#
- 1...Ke4
- 2.Sxd2#
- threat
- 1.d6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- K(f);N_SPINR(i),P_SPINB(j),S_FLIGHT::S(C),XP(d)
- R(n);CHECK,N_GUARD::QAB(H),XR(n)
- R(n);N_GUARD::QAB(H)
- B(j);P_PINP(D)::R(B)+S(C),DCHECK,XS(a)
- Tries
- Try
- S(C);CHECK
- Vars
- K(f);S_FLIGHT::R(G)+S(C)
- Refutation
- K(f);N_SPINR(i),P-FLIGHT
- Try
- S(K);CHECK,XB(j)
- Vars
- K(f);N_SPINR(i),S_FLIGHT::S(C),XP(d)
- Refutation
- Q(m);CHECK,XS(K)
- Try
- S(K);
- Threat
- DUALS(2)
- Vars
- S(a);P_SPINS(a),XS(C)::QAB(H)
- P(l);XS(K)::QAB(H)
- B(e);::R(B)+S(C),DCHECK,XS(a)
- P(d);::QAB(H)
- Q(m);::QAB(H)
- Refutation
- R(n);XS(K)
- Try
- B(F);CHECK,XR(i)
- Refutation
- Q(m);XB(F)
- Try
- Q(H);XB(j)
- Threat
- DUALS(3)
- Vars
- R(n);CHECK,N_GUARD::QAB(H),XR(n)
- P(d);::QAR1(H)
- Refutation
- Q(m);CHECK,XQ(H)
- Try
- Actual
- P(D);
- Threat
- QAB1(H)
- Vars
- R(n);CHECK,N_GUARD::QAB(H),XR(n)
- B(j);CHECK,SBLOCK::S(K)
- B(j);CHECK,SBLOCK::R(B)+S(C),DCHECK
- B(j);CHECK,N_GUARD,XP(D)::QAR2(H)
- B(j);CHECK,S_CUTR(n)::QAB(H)
- K(f);N_SPINR(i),P_SPINB(j),S_FLIGHT::S(C),XP(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).