MESON Chess Problem Database
Problem Display
PID: 96456 (6KB/2p5/2R3p1/bn3k2/2p1p1pP/1B4P1/b2PNP2/7Q w - - 0 1)
Kapros, Jorge Marcelo
Problem Observer, 1981
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...c3
- 2.Rc5#
- 1...e3
- 2.Bc2#
- 2.Qd5#
- 1...Sa3
- Tries
- 1.Bc2?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Sd6
- 2.Sd4#
- 1...Bb1
- 2.Qxe4#
- 1...Sc3
- 2.Sd4#
- 1...c3+!
- threat
- 1.Rxc4?
- threat
- 2.Rc5#
- 2.Qxe4#
- 1...Bxb3
- 2.Qxe4#
- 1...g5
- 2.Qxe4#
- 1...Bc3
- 2.Qxe4#
- 1...Bb1
- 2.Rc5#
- 1...Bb4
- 2.Qxe4#
- 1...Bb6
- 2.Qxe4#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 2.Rc5#
- 1...Sd6
- 2.Sd4#
- 2.Rc5#
- 1...e3
- 2.Rf4#
- 2.Rc5#
- 2.Qe4#
- 2.Qd5#
- 1...c5
- 2.Rxc5#
- 2.Qxe4#
- 1...Ke6!
- threat
- 1.Re6?
- threat
- 2.Re5#
- 2.Qxe4#
- 1...Bc3
- 2.Qxe4#
- 1...Bb1
- 2.Re5#
- 1...Sc3
- 2.Sd4#
- 2.Re5#
- 1...Sd6
- 2.Sd4#
- 2.Re5#
- 1...e3
- 2.Re5#
- 2.Qe4#
- 2.Qd5#
- 1...g5
- 2.Qxe4#
- 1...Kxe6!
- threat
- 1.Qf3+?
- 1...exf3
- 2.Bc2#
- 1...gxf3!
- 1...exf3
- 1.Qa1?
- threat
- 2.Rf6#
- 2.Qe5#
- 2.Qf6#
- 1...Sd6
- 2.Sd4#
- 2.Qe5#
- 2.Qf6#
- 1...e3
- 2.Bc2#
- 2.Qe5#
- 1...Sc3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...c3
- 2.Rc5#
- 1...Bc3!
- threat
- 1.d4?
- threat
- 2.Rf6#
- 1...Sxd4
- 2.Sxd4#
- 1...cxd4 ep
- 2.Rc5#
- 1...exd4 ep
- 2.Qd5#
- 1...Sd6!
- threat
- 1.f3?
- threat
- 2.fxe4#
- 1...exf3
- 2.Bc2#
- 1...gxf3
- 2.Qh3#
- 1...Sd6
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...e3
- 2.Bc2#
- 1...Bb1!
- threat
- 1.f4?
- threat
- 2.Rf6#
- 1...exf4 ep
- 2.Bc2#
- 1...gxf4 ep
- 2.Qh3#
- 1...Sd6
- 2.Sd4#
- 1...Bc3!
- threat
- 1.Bc2?
- Keys
- 1.d3!
- threat
- 2.Qxe4#
- 2.dxe4#
- 1...cxd3
- 2.Rc5#
- 1...exd3
- 2.Qd5#
- 1...Sd6
- 2.Sd4#
- 1...Bb1
- 2.Qxe4#
- 1...Sc3
- 2.Sd4#
- 1...e3
- 2.Qe4#
- 2.Qd5#
- threat
- 1.d3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);P_PINB(E)::R(H)
- Tries
- Try
- B(E);P_PINP(c)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::S(C)
- B(a);::QAB1(A),XP(c)
- Refutation
- P(b);CHECK
- Try
- R(H);XP(b)
- Threat
- DUALS(2)
- Vars
- B(a);P_PINR(H),XB(E)::QAB1(A),XP(c)
- P(h);::QAB1(A),XP(c)
- B(e);::QAB1(A),XP(c)
- B(a);::R(H)
- S(f);N_GUARD::S(C)
- Refutation
- K(g);S_FLIGHT
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB1(A),XP(c)
- B(a);::R1(H)
- P(h);::QAB1(A),XP(c)
- Refutation
- K(g);P_SPINP(b),S_FLIGHT,XR(H)
- Try
- Q(A);CHECK
- Vars
- P(c);S_CUTP(d),XQ(A)::B(E)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);P_PINB(E)::R(H)
- Refutation
- B(e);
- Try
- P(B);
- Threat
- R1(H)
- Vars
- S(f);XP(B)::S(C),XS(f)
- P(b);EP,P_PINB(E),XP(B)::R(H)
- P(c);EP,OGATE,XP(B)::QAR2(A)
- Refutation
- S(f);
- Try
- P(D);
- Threat
- P(D),XP(c)
- Vars
- P(c);OGATEB,XP(D)::B(E)
- P(d);OGATEB,XP(D)::QAB(A)
- S(f);N_GUARD::S(C)
- P(c);OGATEB::B(E)
- Refutation
- B(a);
- Try
- P(D);
- Threat
- R1(H)
- Vars
- P(c);EP,OGATEB,XP(D)::B(E)
- P(d);EP,OGATEB,XP(D)::QAB(A)
- S(f);N_GUARD::S(C)
- Refutation
- B(e);
- Try
- Actual
- P(B);
- Threat
- DUALS(2)
- Vars
- P(b);P_PINB(E),XP(B)::R(H)
- P(c);OGATE,XP(B)::QAR2(A)
- S(f);N_GUARD::S(C)
- B(a);::QAB1(A),XP(c)
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