MESON Chess Problem Database
Problem Display
PID: 103220 (Nb2r3/7p/2p5/2PkBR2/1Kn2R2/6Q1/8/8 w - - 0 1)
Maybee, Edward E
Tageblatt, 1955
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Qg8#
- 1...Re6
- 2.Rd4#
- 2.Qg2#
- 2.Qd3#
- 2.Qf3#
- 1...Rg8
- 2.Qxg8#
- 1...Bxe5
- 2.Sc7#
- 1...Ba7
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Sxe5
- 2.Qb3#
- 1...Rxe5
- Tries
- 1.Ba1+?
- 1...Re5
- 2.Qg8#
- 1...Be5
- 2.Sc7#
- 1...Se5
- 2.Qb3#
- 1...Ke6!
- 1...Re5
- 1.Bb2+?
- 1...Re5
- 2.Qg8#
- 1...Be5
- 2.Sc7#
- 1...Se5
- 2.Qb3#
- 1...Ke6!
- 1...Re5
- 1.Bd4+?
- 1...Re5
- 2.Qg8#
- 1...Be5
- 2.Sc7#
- 1...Se5
- 2.Qb3#
- 1...Ke6!
- 1...Re5
- 1.Bd6+?
- 1...Re5
- 2.Qg8#
- 1...Se5
- 2.Qb3#
- 1...Ke6!
- 1...Re5
- 1.Bf6+?
- 1...Re5
- 2.Qg8#
- 1...Be5
- 2.Sc7#
- 1...Se5
- 2.Qb3#
- 1...Ke6!
- 1...Re5
- 1.Bc7+?
- 1...Re5
- 2.Qg8#
- 1...Se5
- 2.Qb3#
- 1...Ke6!
- 1...Re5
- 1.Bxb8+?
- 1...Re5
- 2.Sc7#
- 2.Qg8#
- 1...Se5
- 2.Sc7#
- 2.Qb3#
- 1...Ke6!
- 1...Re5
- 1.Bh8+?
- 1...Re5
- 2.Qg8#
- 1...Be5
- 2.Sc7#
- 1...Se5
- 2.Qb3#
- 1...Ke6!
- 1...Re5
- 1.Qg6?
- threat
- 2.Rd4#
- 1...Rxe5
- 2.Qf7#
- 2.Qg8#
- 1...Bxe5
- 2.Sc7#
- 1...Sxe5
- 2.Sb6#
- 1...hxg6!
- threat
- 1.Qg8+?
- 1...Re6
- 2.Rd4#
- 2.Qg2#
- 1...Rxg8!
- 1...Re6
- 1.Ba1+?
- Keys
- 1.Rf6!
- threat
- 2.Rd4#
- 1...Kxe5
- 2.Qg5#
- 1...Rxe5
- 2.Qd3#
- 1...Bxe5
- 2.Qg2#
- 2.Qf3#
- 1...Sxe5
- 2.Sb6#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(f);N_GUARD,P_SPINR(f),XB(E)::QAB(A)
- R(f);N_GUARD::QAB(A),XR(f)
- B(e);N_GUARD,P_SPINB(e),XB(E)::S(G)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- S(a);OGATEB,P_SPINS(a),XB(E)::QAB(A)
- Tries
- Try
- B(E);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(A)
- B(e);P_SPINB(e)::S(G)
- S(a);P_SPINS(a),S_CUTB(e),S_CUTR(f)::QAB(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(A)
- B(e);P_SPINB(e)::S(G)
- S(a);P_SPINS(a),S_CUTB(e),S_CUTR(f)::QAB(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(A)
- B(e);P_SPINB(e)::S(G)
- S(a);P_SPINS(a),S_CUTB(e),S_CUTR(f)::QAB(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(A)
- S(a);P_SPINS(a),S_CUTR(f)::QAB(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(A)
- B(e);P_SPINB(e)::S(G)
- S(a);P_SPINS(a),S_CUTB(e),S_CUTR(f)::QAB(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(A)
- S(a);P_SPINS(a),S_CUTR(f)::QAB(A)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);CHECK,XB(e)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);CHECK
- Vars
- R(f);P_SPINR(f)::QAB(A)
- B(e);P_SPINB(e)::S(G)
- S(a);P_SPINS(a),S_CUTB(e),S_CUTR(f)::QAB(A)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(A);
- Threat
- R1(C)
- Vars
- B(e);N_GUARD,P_SPINB(e),XB(E)::S(G)
- S(a);N_GUARD,P_SPINS(a),XB(E)::S(G)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- R(f);XQ(A)
- Try
- Actual
- R(F);
- Threat
- R1(C)
- Vars
- K(b);OGATEB,P-FLIGHT,XB(E)::QAR2(A)
- R(f);SBLOCK,XB(E)::QAR2(A)
- S(a);N_GUARD,SBLOCK,XB(E)::S(G)
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).