MESON Chess Problem Database
Problem Display
PID: 63654 (1Q2K3/r1p1p3/1Bn1N1np/1p5R/1pP1k3/b6B/2Pp4/3N1R1b w - - 0 1)
Macleod, Norman Alasdair
Schach-Echo, 1976
#2
10 + 12
| 3771 | FIDE Album (1974-1976) | 1980 |
| 3713 | Snap | 2007 |
| 5454 | Near Snap | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Bxg2#
- 1...Bf3
- 2.Sf2#
- 1...Sd4
- 2.Sc5#
- 1...Sce5
- 2.Bf5#
- 1...Sf4
- 2.Rxf4#
- 1...Sh4
- 2.Rf4#
- 1...Sge5
- 2.Bf5#
- 2.Rf4#
- 1...Sf8
- 2.Rf4#
- 1...Sh8
- 2.Rf4#
- 1...b3
- 2.Sc3#
- 1...cxb6
- 2.Bf5#
- 1...Bg2
- Tries
- 1.Bg1?
- threat
- 2.Sc5#
- 1...b3
- 2.Sc3#
- 1...Bf3!
- threat
- 1.Bd4?
- threat
- 2.Bf5#
- 1...Sxd4
- 2.Sc5#
- 1...Sh4
- 2.Rf4#
- 2.Rxh4#
- 1...bxc4!
- threat
- 1.Rf3?
- threat
- 2.Re3#
- 1...Bxf3
- 2.Sf2#
- 1...Kxf3!
- threat
- 1.Rff5?
- threat
- 2.Sf2#
- 1...Sf4
- 2.Rxf4#
- 1...Sd4
- 2.Sc5#
- 1...cxb6!
- threat
- 1.Rf7?
- threat
- 2.Sf2#
- 1...Sf4
- 2.Rxf4#
- 1...Sd4
- 2.Sc5#
- 1...cxb6!
- threat
- 1.Rxb5?
- threat
- 2.Bf5#
- 1...Sh4
- 2.Rf4#
- 1...Sd4!
- threat
- 1.Rc5?
- threat
- 2.Bf5#
- 1...Sh4
- 2.Rf4#
- 1...Sd4!
- threat
- 1.Rd5?
- threat
- 2.Sc5#
- 2.Bf5#
- 1...cxb6
- 2.Bf5#
- 1...Sd4
- 2.Sc5#
- 1...Bf3
- 2.Sf2#
- 2.Bf5#
- 1...Sh4
- 2.Sc5#
- 2.Rf4#
- 1...b3
- 2.Sc3#
- 2.Bf5#
- 1...bxc4!
- threat
- 1.Re5+?
- 1...Scxe5
- 2.Bf5#
- 1...Sgxe5
- 2.Bf5#
- 2.Rf4#
- 1...Kxe5!
- 1...Scxe5
- 1.Rhf5?
- threat
- 2.Sf2#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.R1xf4#
- 1...cxb6!
- threat
- 1.Qd8?
- threat
- 2.Sc5#
- 2.Qd3#
- 2.Qd5#
- 1...bxc4
- 2.Sc5#
- 2.Qd5#
- 1...cxb6
- 2.Qd3#
- 2.Qd5#
- 1...Sd4
- 2.Sc5#
- 2.Qxd4#
- 2.Qd5#
- 1...Ra8
- 2.Sc5#
- 1...Bf3
- 2.Sf2#
- 2.Qd3#
- 2.Qd5#
- 1...Sce5
- 2.Sc5#
- 2.Bf5#
- 2.Qd4#
- 2.Qd5#
- 1...Sf4
- 2.Sc5#
- 2.Rxf4#
- 1...Sge5
- 2.Sc5#
- 2.Bf5#
- 2.Rf4#
- 2.Qd5#
- 1...b3
- 2.Sc3#
- 2.Qd3#
- 2.Qd5#
- 1...Sxd8!
- threat
- 1.Bg1?
- Keys
- 1.Bg4!
- threat
- 2.Sf2#
- 1...cxb6
- 2.Bf5#
- 1...Sd4
- 2.Sc5#
- threat
- 1.Bg4!
Anticipated by 10766(1967), 141831(1967)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- B(a);N_GUARD::B(D),XB(a)
- B(a);SBLOCK::S(A)
- S(g);SBLOCK::S(H)
- S(g);SBLOCK::B(D)
- S(h);N_GUARD::R1(B),XS(h)
- S(h);N_GUARD::R1(B)
- P(d);N_GUARD::S(A)
- P(k);XB(G)::B(D)
- Tries
- Try
- B(G);
- Threat
- S(H)
- Vars
- P(d);N_GUARD::S(A)
- Refutation
- B(a);
- Try
- B(G);
- Threat
- B(D)
- Vars
- S(g);SBLOCK,XB(G)::S(H)
- Refutation
- P(f);XP(E)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- B(a);SBLOCK,XR(B)::S(A)
- Refutation
- K(e);S_FLIGHT,XR(B)
- Try
- R(B);
- Threat
- S(A)
- Vars
- S(h);N_GUARD::R1(B),XS(h)
- S(g);SBLOCK::S(H)
- Refutation
- P(k);XB(G)
- Try
- R(B);
- Threat
- S(A)
- Vars
- S(h);N_GUARD::R1(B),XS(h)
- S(g);SBLOCK::S(H)
- Refutation
- P(k);XB(G)
- Try
- R(F);XP(f)
- Threat
- B(D)
- Vars
- S(h);N_GUARD::R1(B)
- Refutation
- S(g);
- Try
- R(F);
- Threat
- B(D)
- Vars
- S(h);N_GUARD::R1(B)
- Refutation
- S(g);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- P(k);XB(G)::B(D)
- S(g);::S(H)
- Refutation
- P(f);XP(E)
- Try
- R(F);CHECK
- Vars
- S(g);SBLOCK,XR(F)::B(D)
- Refutation
- K(e);P-FLIGHT,P_SPINP(k),XR(F)
- Try
- R(F);
- Threat
- S(A)
- Vars
- S(g);SBLOCK::S(H)
- S(h);N_GUARD::R1(B),XS(h)
- Refutation
- P(k);XB(G)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- R(j);P_PINQ(I)::S(H)
- Refutation
- S(g);XQ(I)
- Try
- Actual
- B(D);
- Threat
- S(A)
- Vars
- P(k);XB(G)::B(D)
- S(g);SBLOCK::S(H)
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