MESON Chess Problem Database
Problem Display
PID: 226984 (1K4b1/4p2p/N5p1/pR2B2B/1Rn1k1N1/4P2p/8/4nQ2 w - - 0 1)
Benninger, Max
Tijdschrift vd KNSB, 1953
#2
9 + 9
| 15257 | Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Sc5#
- 1...Sf3
- 2.Qb1#
- 1...e6
- 2.Rxc4#
- 1...h6
- 2.Bxg6#
- 1...Bd5
- Tries
- 1.Sf2+?
- 1...Kxe3
- 2.Qe2#
- 2.Qxe1#
- 1...Kf5!
- 1...Kxe3
- 1.Sf6+?
- 1...Kxe3
- 2.Qe2#
- 1...exf6!
- 1...Kxe3
- 1.Ba1?
- threat
- 2.Re5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...e5
- 2.Rxe5#
- 1...axb4!
- threat
- 1.Bb2?
- threat
- 2.Re5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...e5
- 2.Rxe5#
- 1...axb4!
- threat
- 1.Bh2?
- threat
- 2.Re5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...e5
- 2.Rxe5#
- 1...axb4!
- threat
- 1.Bc3?
- threat
- 2.Re5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...e5
- 2.Rxe5#
- 1...axb4!
- threat
- 1.Bg3?
- threat
- 2.Re5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...e5
- 2.Rxe5#
- 1...axb4!
- threat
- 1.Bf4?
- threat
- 2.Sf2#
- 2.Re5#
- 1...axb4
- 2.Sf2#
- 1...gxh5
- 2.Re5#
- 1...e5
- 2.Rxe5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Sf2#
- 2.Qb1#
- 1...Bd5!
- threat
- 1.Bc7?
- threat
- 2.Re5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...e5
- 2.Rxe5#
- 1...axb4!
- threat
- 1.Bg7?
- threat
- 2.Re5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...e5
- 2.Rxe5#
- 1...axb4!
- threat
- 1.Bh8?
- threat
- 2.Re5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Sf3
- 2.Qb1#
- 1...e5
- 2.Rxe5#
- 1...axb4!
- threat
- 1.Rd5?
- threat
- 2.Rd4#
- 1...Kxd5
- 2.Qxc4#
- 1...Bxd5
- 2.Sc5#
- 1...Sf3
- 2.Qd3#
- 1...Sc2!
- threat
- 1.Sf2+?
- Keys
- 1.Bd4!
- threat
- 2.Sf2#
- 1...Sxe3
- 2.Re5#
- 1...gxh5
- 2.Qf5#
- 1...Bd5
- 2.Sc5#
- 1...Sd3
- 2.Qh1#
- 1...Se5
- 2.Rxe5#
- 1...e5
- 2.Sf6#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- B(i);SBLOCK::S(H)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);S_CUTB(i)::R(C),XS(c)
- P(h);N_GUARD::B(G),XP(f)
- Tries
- Try
- S(D);CHECK
- Refutation
- K(d);N_SPINS(c),S_FLIGHT
- Try
- S(D);CHECK
- Vars
- K(d);N_SPINS(c),P-FLIGHT,XP(B)::QAR1(A)
- Refutation
- P(g);XS(D)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);::R1(E),XP(g)
- Refutation
- P(e);N_SPINS(c),XR(C)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);::R1(E),XP(g)
- Refutation
- P(e);N_SPINS(c),XR(C)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);::R1(E),XP(g)
- Refutation
- P(e);N_SPINS(c),XR(C)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);::R1(E),XP(g)
- Refutation
- P(e);N_SPINS(c),XR(C)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);::R1(E),XP(g)
- Refutation
- P(e);N_SPINS(c),XR(C)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- P(e);N_SPINS(c),XR(C)::S(D)
- P(f);XB(G)::R1(E)
- P(g);::R1(E),XP(g)
- S(a);N_GUARD,SBLOCK::QAB(A)
- Refutation
- B(i);
- Try
- B(F);
- Threat
- R1(E)
- Vars
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);::R1(E),XP(g)
- Refutation
- P(e);N_SPINS(c),XR(C)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);::R1(E),XP(g)
- Refutation
- P(e);N_SPINS(c),XR(C)
- Try
- B(F);
- Threat
- R1(E)
- Vars
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(a);OGATE,SBLOCK::QAB(A)
- P(g);::R1(E),XP(g)
- Refutation
- P(e);N_SPINS(c),XR(C)
- Try
- R(E);
- Threat
- R1(E)
- Vars
- K(d);N_SPINS(c),S_FLIGHT,XR(E)::QAB1(A),XS(c)
- B(i);SBLOCK,XR(E)::S(H)
- S(a);N_GUARD,SBLOCK::QAB1(A)
- Refutation
- S(a);
- Try
- Actual
- B(F);N_PINS(c)
- Threat
- S(D)
- Vars
- S(c);N_GUARD,XP(B)::R1(E)
- P(f);N_GUARD,XB(G)::QAB1(A)
- B(i);SBLOCK::S(H)
- S(a);N_GUARD,SBLOCK::QAB(A)
- S(c);N_GUARD::R1(E),XS(c)
- P(g);N_GUARD::S(D)
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