MESON Chess Problem Database
Problem Display
PID: 110794 (8/8/N1pN1p2/P2p1p2/PR3Bp1/1Bk2nR1/p1P2p2/qbQ1bK2 w - - 0 1)
Kiss, Janos
1st Prize, Sportowiec, 1957
#2
11 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Qe3#
- 1...Bxc2
- 2.Qxc2#
- 1...Bd2
- 2.Bxd2#
- 1...d4
- 2.Rc4#
- 1...c5
- 2.Sb5#
- 1...Qb2
- Tries
- 1.Se4+?
- 1...dxe4
- 2.Rc4#
- 1...fxe4!
- 1...dxe4
- 1.Sxf5?
- 1...Bxc2
- 2.Qxc2#
- 1...Qb2
- 2.Qe3#
- 1...Bd2
- 2.Bxd2#
- 1...d4
- 2.Rc4#
- 1...c5!
- 1...Bxc2
- 1.Sb7?
- 1...Bxc2
- 2.Qxc2#
- 1...Qb2
- 2.Qe3#
- 1...Bd2
- 2.Bxd2#
- 1...d4
- 2.Rc4#
- 1...c5!
- 1...Bxc2
- 1.Sf7?
- 1...Bxc2
- 2.Qxc2#
- 1...Qb2
- 2.Qe3#
- 1...Bd2
- 2.Bxd2#
- 1...d4
- 2.Rc4#
- 1...c5!
- 1...Bxc2
- 1.Sc8?
- 1...Bxc2
- 2.Qxc2#
- 1...Qb2
- 2.Qe3#
- 1...Bd2
- 2.Bxd2#
- 1...d4
- 2.Rc4#
- 1...c5!
- 1...Bxc2
- 1.Se8?
- 1...Bxc2
- 2.Qxc2#
- 1...Qb2
- 2.Qe3#
- 1...Bd2
- 2.Bxd2#
- 1...d4
- 2.Rc4#
- 1...c5!
- 1...Bxc2
- 1.Bxd5?
- threat
- 2.Rc4#
- 1...cxd5
- 2.Sb5#
- 1...Bxc2!
- threat
- 1.Be3?
- threat
- 2.Bd4#
- 1...Sd2+
- 2.Bxd2#
- 1...Bxc2
- 2.Qxc2#
- 1...c5
- 2.Sb5#
- 1...Sd4
- 2.Bd2#
- 2.Bxd4#
- 1...d4
- 2.Bxd4#
- 2.Rc4#
- 1...Sh2+!
- threat
- 1.Be5+?
- 1...d4
- 2.Bxd4#
- 2.Rc4#
- 1...fxe5!
- 1...d4
- 1.Bh6?
- 1...Bxc2
- 2.Qxc2#
- 1...c5
- 2.Sb5#
- 1...Qb2
- 2.Qe3#
- 1...Bd2
- 2.Bxd2#
- 1...d4
- 2.Rc4#
- 1...f4!
- 1...Bxc2
- 1.Rd4?
- threat
- 2.Rd3#
- 1...Kxd4
- 2.Qe3#
- 1...Bxc2!
- threat
- 1.Se4+?
- Keys
- 1.Bc4!
- 1...Kd4
- 2.Qe3#
- 1...Bxc2
- 2.Qxa1#
- 1...dxc4
- 2.Rxc4#
- 1...c5
- 2.Sb5#
- 1...Qb2
- 2.Qxb2#
- 1...Bd2
- 2.Qxd2#
- 1...d4
- 2.Rb3#
- 1...Kd4
- 1.Bc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(a);SBLOCK::QAR2(A)
- B(b);OGATE,P_SPINB(b),XP(C)::QAR1(A),XB(b)
- B(c);N_GUARD::B(H),XB(c)
- P(i);N_GUARD::R1(G)
- P(k);N_GUARD::S(K)
- Tries
- Try
- S(K);CHECK
- Vars
- P(i);XS(K)::R1(G)
- Refutation
- P(j);XS(K)
- Try
- S(K);XP(j)
- Vars
- B(b);OGATE,P_SPINB(b),XP(C)::QAR1(A),XB(b)
- Q(a);SBLOCK::QAR2(A)
- B(c);N_GUARD::B(H),XB(c)
- P(i);N_GUARD::R1(G)
- Refutation
- P(k);
- Try
- S(K);
- Vars
- B(b);OGATE,P_SPINB(b),XP(C)::QAR1(A),XB(b)
- Q(a);SBLOCK::QAR2(A)
- B(c);N_GUARD::B(H),XB(c)
- P(i);N_GUARD::R1(G)
- Refutation
- P(k);
- Try
- S(K);
- Vars
- B(b);OGATE,P_SPINB(b),XP(C)::QAR1(A),XB(b)
- Q(a);SBLOCK::QAR2(A)
- B(c);N_GUARD::B(H),XB(c)
- P(i);N_GUARD::R1(G)
- Refutation
- P(k);
- Try
- S(K);
- Vars
- B(b);OGATE,P_SPINB(b),XP(C)::QAR1(A),XB(b)
- Q(a);SBLOCK::QAR2(A)
- B(c);N_GUARD::B(H),XB(c)
- P(i);N_GUARD::R1(G)
- Refutation
- P(k);
- Try
- S(K);
- Vars
- B(b);OGATE,P_SPINB(b),XP(C)::QAR1(A),XB(b)
- Q(a);SBLOCK::QAR2(A)
- B(c);N_GUARD::B(H),XB(c)
- P(i);N_GUARD::R1(G)
- Refutation
- P(k);
- Try
- B(D);XP(i)
- Threat
- R1(G)
- Vars
- P(k);N_GUARD,XB(D)::S(K)
- Refutation
- B(b);P_SPINB(b),XP(C)
- Try
- B(H);N_PINS(g)
- Threat
- B(H)
- Vars
- S(g);CHECK::R(E)+B(H),DCHECK,XS(g)
- B(b);OGATE,P_SPINB(b),XP(C)::QAR1(A),XB(b)
- P(k);N_GUARD::S(K)
- Refutation
- S(g);CHECK
- Try
- B(H);CHECK
- Refutation
- P(l);XB(H)
- Try
- B(H);
- Vars
- B(b);OGATE,P_SPINB(b),XP(C)::QAR1(A),XB(b)
- P(k);N_GUARD::S(K)
- Q(a);SBLOCK::QAR2(A)
- B(c);N_GUARD::B(H),XB(c)
- P(i);N_GUARD::R1(G)
- Refutation
- P(j);
- Try
- R(G);
- Threat
- R1(G)
- Vars
- K(f);N_SPINS(g),S_FLIGHT,XR(G)::QAB1(A)
- Refutation
- B(b);P_SPINB(b),XP(C)
- Try
- Actual
- B(D);
- Vars
- K(f);N_SPINS(g),S_FLIGHT::QAB1(A)
- B(b);OGATE,P_SPINB(b),SBLOCK,XP(C)::QAB(A),XQ(a)
- P(i);OGATE,XB(D)::R1(G),XP(i)
- P(k);N_GUARD::S(K)
- Q(a);N_GUARD::QAB1(A),XQ(a)
- B(c);N_GUARD::QAB1(A),XB(c)
- P(i);SBLOCK::R1(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).