MESON Chess Problem Database
Problem Display
PID: 46825 (1n6/n2pRBQ1/2p2KP1/r4RB1/N1pk3r/3P4/1PP2bN1/5b1q w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st Prize, Schakend Nederland, 1960
#2
12 + 11
| 3749 | FIDE Album (1959-1961) | 1966 |
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
| 702 | Phenix | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Rf4#
- 2.Re4#
- 1...Rh3
- 2.Rf4#
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Rf4
- 2.Rxf4#
- 1...Rh5
- 2.Rf4#
- 2.Re4#
- 1...Rh6
- 2.Rf4#
- 2.Re4#
- 1...Rh7
- 2.Rf4#
- 2.Re4#
- 1...Rh8
- 2.Rf4#
- 2.Re4#
- 1...Rxf5+
- 2.Kxf5#
- 1...Bxd3
- 2.c3#
- 1...Be1
- 2.Be3#
- 1...Be3
- 2.Bxe3#
- 1...Bg3
- 2.Be3#
- 1...cxd3
- 2.c3#
- 1...c3
- 2.bxc3#
- 1...c5
- 2.Rd5#
- 1...d5
- 2.Ke6#
- 1...Rh2
- Tries
- 1.Se1?
- threat
- 2.c3#
- 1...Rxf5+
- 2.Kxf5#
- 1...Bxe1
- 2.Be3#
- 1...c3
- 2.bxc3#
- 1...Sb5!
- threat
- 1.Bxc4?
- threat
- 2.c3#
- 1...Rxf5+
- 2.Kxf5#
- 1...Be1
- 2.Be3#
- 1...Sb5
- 2.Kf7#
- 1...Bxd3!
- threat
- 1.Rf3?
- threat
- 2.c3#
- 1...Rf4+
- 2.Rxf4#
- 1...Rf5+
- 2.Kxf5#
- 1...Be1
- 2.Be3#
- 1...Be3
- 2.Bxe3#
- 1...Sb5
- 2.Kf5#
- 1...c3
- 2.bxc3#
- 1...Rxa4!
- threat
- 1.Rd5+?
- 1...cxd5
- 2.Kf5#
- 1...Rxd5!
- 1...cxd5
- 1.Re3?
- threat
- 2.c3#
- 1...Rxf5+
- 2.Kxf5#
- 1...Bxe3
- 2.Bxe3#
- 1...Sb5
- 2.Ke7#
- 1...c3
- 2.bxc3#
- 1...Be1!
- threat
- 1.Rxd7+?
- 1...Rd5
- 2.Ke6#
- 2.Ke7#
- 1...Sxd7+!
- 1...Rd5
- 1.Se1?
- Keys
- 1.Bd2!
- threat
- 2.Bc3#
- 1...Rxf5+
- 2.Kxf5#
- 1...Be1
- 2.Be3#
- 1...Sb5
- 2.Kg5#
- 1...c3
- 2.Bxc3#
- 2.bxc3#
- threat
- 1.Bd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(f);N_GUARD::R1(J),XR(f)
- R(f);N_GUARD,P_PINR(F)::R(F),XR(f)
- R(g);CHECK,XR(F)::QAB(L)+K(H),XR(g)
- B(a);SBLOCK,XP(D)::P(B)
- B(c);N_GUARD::B(G)
- B(c);N_GUARD::B(G),XB(c)
- P(d);SBLOCK,XP(D)::P(B)
- P(d);OGATE::P(A),XP(d)
- P(h);N_GUARD,S_CUTR(g)::R1(F)
- P(j);::QAB(L)+K(H)
- Tries
- Try
- S(C);
- Threat
- P(B)
- Vars
- R(g);CHECK,XR(F)::QAB(L)+K(H),XR(g)
- B(c);N_GUARD,XS(C)::B(G)
- P(d);OGATE::P(A),XP(d)
- Refutation
- S(i);
- Try
- B(K);XP(d)
- Threat
- P(B)
- Vars
- R(g);CHECK,XR(F)::QAB(L)+K(H),XR(g)
- B(c);N_GUARD::B(G)
- S(i);S_CUTR(g)::QAB(L)+K(H)
- Refutation
- B(a);XP(D)
- Try
- R(F);
- Threat
- P(B)
- Vars
- R(f);CHECK,N_GUARD::R(F),XR(f)
- R(g);CHECK::QAB(L)+K(H),XR(g)
- B(c);N_GUARD::B(G)
- B(c);N_GUARD::B(G),XB(c)
- S(i);::QAB(L)+K(H)
- P(d);OGATE::P(A),XP(d)
- Refutation
- R(g);XS(E)
- Try
- R(F);CHECK
- Vars
- P(h);XR(F)::QAB(L)+K(H)
- Refutation
- R(g);XR(F)
- Try
- R(J);
- Threat
- P(B)
- Vars
- R(g);CHECK,XR(F)::QAB(L)+K(H),XR(g)
- B(c);OGATE,XR(J)::B(G),XB(c)
- S(i);S_CUTR(g)::QAB(L)+K(H)
- P(d);OGATE::P(A),XP(d)
- Refutation
- B(c);
- Try
- R(J);CHECK,XP(j)
- Refutation
- S(k);CHECK,XR(J)
- Try
- Actual
- B(G);
- Threat
- B(G)
- Vars
- R(g);CHECK,XR(F)::QAB(L)+K(H),XR(g)
- B(c);N_GUARD::B(G)
- S(i);S_CUTR(g)::QAB(L)+K(H)
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