MESON Chess Problem Database
Problem Display
PID: 74756 (1n1R2B1/3b1rp1/2p5/3k1NP1/r2nNQKp/BP1q1p2/8/b2R4 w - - 0 1)
Gamage, Frederick
1st Prize, BCPS, 1944-1945
#2
10 + 12
| 5397 | Frederick Gamage (Prcic) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Ke6
- 2.Qd6#
- 1...Qb1
- 2.Bxf7#
- 1...Qf1
- 2.Bxf7#
- 1...Qc2
- 2.Bxf7#
- 1...Qe2
- 2.Bxf7#
- 1...Qc4
- 2.Bxf7#
- 1...Qb5
- 2.Bxf7#
- 1...Qa6
- 2.Bxf7#
- 1...Qxb3
- 2.Bxf7#
- 1...Qc3
- 2.Bxf7#
- 1...Qe3
- 2.Bxf7#
- 1...Sc2
- 2.Bxf7#
- 1...Se2
- 2.Bxf7#
- 1...Sxb3
- 2.Bxf7#
- 1...Sb5
- 2.Bxf7#
- 1...Ke6
- Tries
- 1.Sc3+?
- 1...Ke6
- 2.Sxg7#
- 2.Qd6#
- 1...Qxc3
- 2.Bxf7#
- 1...Bxc3!
- 1...Ke6
- 1.Sg3?
- threat
- 2.Qd6#
- 1...Qxf5+
- 2.Qxf5#
- 1...Ke6
- 2.Qd6#
- 1...Qxb3
- 2.Bxf7#
- 1...Sxb3
- 2.Bxf7#
- 1...Sxf5
- 2.Bxf7#
- 1...Qe4
- 2.Qxe4#
- 1...Sc2
- 2.Bxf7#
- 1...Se2
- 2.Bxf7#
- 1...Sb5
- 2.Bxf7#
- 1...Se6
- 2.Se3#
- 1...hxg3!
- threat
- 1.Sc5?
- threat
- 2.Qd6#
- 1...Qxb3
- 2.Bxf7#
- 1...Sxb3
- 2.Bxf7#
- 1...Sxf5
- 2.Bxf7#
- 1...Qe4
- 2.Qxe4#
- 1...Sc2
- 2.Bxf7#
- 1...Se2
- 2.Bxf7#
- 1...Sb5
- 2.Bxf7#
- 1...Se6
- 2.Se3#
- 1...Qxf5+!
- threat
- 1.Sf6+?
- 1...Ke6
- 2.Sxg7#
- 2.Qd6#
- 1...gxf6!
- 1...Ke6
- 1.Rxd3?
- threat
- 2.Bxf7#
- 1...Ke6
- 2.Qd6#
- 1...c5!
- threat
- 1.Rxd7+?
- 1...Ke6
- 2.Sc5#
- 2.Rd6#
- 2.Qd6#
- 1...Sxd7!
- 1...Ke6
- 1.Sc3+?
- Keys
- 1.Sf2!
- threat
- 2.Qd6#
- 1...Qxf5+
- 2.Qxf5#
- 1...Ke6
- 2.Qd6#
- 1...Qxb3
- 2.Bxf7#
- 1...Sxb3
- 2.Bxf7#
- 1...Sxf5
- 2.Bxf7#
- 1...Qe4
- 2.Qxe4#
- 1...Sc2
- 2.Bxf7#
- 1...Se2
- 2.Bxf7#
- 1...Sb5
- 2.Bxf7#
- 1...Se6
- 2.Se3#
- threat
- 1.Sf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- K(g);N_PINS(G),N_SPINB(i),S_FLIGHT::QAR1(E)
- Q(b);P_SPINS(e)::B(J),XR(j)
- Q(b);P_SPINS(e),XP(C)::B(J),XR(j)
- S(e);N_GUARD,P_SPINQ(b)::B(J),XR(j)
- S(e);N_GUARD,P_SPINQ(b),XP(C)::B(J),XR(j)
- Tries
- Try
- S(D);CHECK
- Vars
- Q(b);P_SPINS(e),XS(D)::B(J),XR(j)
- Refutation
- B(a);XS(D)
- Try
- S(D);
- Threat
- QAR1(E)
- Vars
- Q(b);CHECK,OGATE,P_SPINS(e),XS(G)::QAR2(E),XQ(b)
- K(g);N_PINS(G),N_SPINB(i),S_FLIGHT::QAR1(E)
- Q(b);P_SPINS(e),XP(C)::B(J),XR(j)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b),XP(C)::B(J),XR(j)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b),XS(G)::B(J),XR(j)
- Q(b);N_GUARD,P_PINQ(E),P_SPINS(e)::QAB1(E),XQ(b)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b)::B(J),XR(j)
- S(e);N_PINS(G),N_SPINR(j),P_PINQ(E),P_SPINQ(b),SBLOCK::S(G)
- Refutation
- P(f);XS(D)
- Try
- S(D);
- Threat
- QAR1(E)
- Vars
- Q(b);P_SPINS(e),XP(C)::B(J),XR(j)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b),XP(C)::B(J),XR(j)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b),XS(G)::B(J),XR(j)
- Q(b);N_GUARD,P_PINQ(E),P_SPINS(e)::QAB1(E),XQ(b)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b)::B(J),XR(j)
- S(e);N_PINS(G),N_SPINR(j),P_PINQ(E),P_SPINQ(b)::S(G)
- Refutation
- Q(b);CHECK,P_SPINS(e),XS(G)
- Try
- S(D);CHECK
- Refutation
- P(k);XS(D)
- Try
- R(A);P_PINS(e),XQ(b)
- Threat
- B(J),XR(j)
- Vars
- K(g);N_PINS(G),N_SPINB(i),N_SPINS(e),S_FLIGHT::QAR1(E)
- Refutation
- P(h);
- Try
- R(I);CHECK,N_SPINS(G),XB(i)
- Refutation
- S(l);XR(I)
- Try
- Actual
- S(D);
- Threat
- QAR1(E)
- Vars
- Q(b);CHECK,OGATE,P_SPINS(e),XS(G)::QAR2(E),XQ(b)
- K(g);N_PINS(G),N_SPINB(i),S_FLIGHT::QAR1(E)
- Q(b);P_SPINS(e),XP(C)::B(J),XR(j)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b),XP(C)::B(J),XR(j)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b),XS(G)::B(J),XR(j)
- Q(b);N_GUARD,P_PINQ(E),P_SPINS(e)::QAB1(E),XQ(b)
- S(e);N_GUARD,P_PINQ(E),P_SPINQ(b)::B(J),XR(j)
- S(e);N_PINS(G),N_SPINR(j),P_PINQ(E),P_SPINQ(b),SBLOCK::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).