MESON Chess Problem Database
Problem Display
PID: 204560 (1K1B4/rP1pp3/k5qR/2PQ4/2N4n/N4Bp1/1b6/rR3n2 w - - 0 1)
Kipping, Cyril Stanley
L'Echiquier, 1925
#2
10 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qb6
- 2.Rxb6#
- 1...Rxb7+
- 2.Qxb7#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8R#
- 1...Bf6
- 2.Rb6#
- 1...d6
- 2.Qc6#
- 1...e6
- 2.Qd6#
- 1...Qb6
- Tries
- 1.Rxg6+?
- 1...Bf6
- 2.Rb6#
- 1...d6
- 2.Qc6#
- 1...e6
- 2.Qd6#
- 1...Sxg6!
- 1...Bf6
- 1.Qd3?
- threat
- 2.Sxb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Qd6+
- 2.Sxd6#
- 1...Rxb7+
- 2.Bxb7#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8R#
- 1...Be5+
- 2.Sxe5#
- 1...Rxa3
- 2.Sxa3#
- 1...Bxa3
- 2.Sb2#
- 2.Sd2#
- 2.Sxa3#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Qb6
- 2.Rxb6#
- 1...Bc1
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Bc3
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Bd4
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Bf6
- 2.Rb6#
- 1...Bg7
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Bh8
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Sd2
- 2.Sxd2#
- 1...Se3
- 2.Sxe3#
- 1...e5
- 2.Sxb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Sxe5#
- 1...e6
- 2.Qd6#
- 1...d6!
- threat
- 1.Rxg6+?
- Keys
- 1.Be2!
- threat
- 2.Sxb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Qd6+
- 2.Sxd6#
- 1...Rxb7+
- 2.Qxb7#
- 1...Ra8+
- 2.bxa8Q#
- 2.bxa8R#
- 1...Be5+
- 2.Sxe5#
- 1...Rxa3
- 2.Sxa3#
- 1...Bxa3
- 2.Sb2#
- 2.Sd2#
- 2.Sxa3#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Qb6
- 2.Rxb6#
- 1...Bc1
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Bc3
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Bd4
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Bf6
- 2.Rb6#
- 1...Bg7
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Bh8
- 2.Sb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Se5#
- 1...Sd2
- 2.Sxd2#
- 1...Se3
- 2.Sxe3#
- 1...d6
- 2.Qc6#
- 1...e5
- 2.Sxb2#
- 2.Sd2#
- 2.Se3#
- 2.Sa5#
- 2.Sxe5#
- 1...e6
- 2.Qd6#
- threat
- 1.Be2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Q(g);OGATE,P_PINP(H)::R1(G),XQ(g)
- R(h);CHECK,OGATE,XP(H)::QAB1(F),XR(h)
- R(h);CHECK,OGATE::PXR(h)=Q
- B(c);N_SPINQ(g),OGATE::R1(A)
- P(i);N_GUARD,N_SPINQ(g),S_CUTQ(g)::QAR2(F)
- P(j);N_GUARD,N_SPINQ(g),S_CUTQ(g)::QAR(F)
- Tries
- Try
- R(G);CHECK,XQ(g)
- Vars
- B(c);OGATE,P_SPINB(c)::R1(A)
- P(i);N_GUARD,P_SPINP(i)::QAR2(F)
- P(j);N_GUARD,P_SPINP(j)::QAR(F)
- Refutation
- S(e);XR(G)
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- Q(g);CHECK,N_GUARD::QAB(F)+S(D),XQ(g)
- R(h);CHECK,OGATE,XP(H)::B(C),XR(h)
- R(h);CHECK,OGATE::PXR(h)=Q
- B(c);CHECK::QAB(F)+S(D),XB(c)
- R(a);XS(B)::QAB(F)+S(D),XR(a)
- Q(g);OGATE,P_PINP(H)::R1(G),XQ(g)
- B(c);N_SPINQ(g),OGATE::R1(A)
- S(b);::QAB(F)+S(D),XS(b)
- P(j);N_GUARD,N_SPINQ(g),S_CUTQ(g)::QAR(F)
- Refutation
- P(i);N_SPINQ(g)
- Try
- Actual
- B(C);
- Threat
- DUALS(5)
- Vars
- Q(g);CHECK,N_GUARD::B(C)+S(D),XQ(g)
- R(h);CHECK,OGATE,XP(H)::QAB1(F),XR(h)
- R(h);CHECK,OGATE::PXR(h)=Q
- B(c);CHECK::B(C)+S(D),XB(c)
- R(a);XS(B)::B(C)+S(D),XR(a)
- Q(g);OGATE,P_PINP(H)::R1(G),XQ(g)
- B(c);N_SPINQ(g),OGATE::R1(A)
- S(b);::B(C)+S(D),XS(b)
- P(i);N_GUARD,N_SPINQ(g),S_CUTQ(g)::QAR2(F)
- P(j);N_GUARD,N_SPINQ(g),S_CUTQ(g)::QAR(F)
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).