MESON Chess Problem Database
Problem Display
PID: 235291 (8/8/1bN2R2/2n5/2P1kBP1/2p4R/4rP2/1rn2NK1 w - - 0 1)
Hoffmann, Fritz
Schach, 1984
#2
9 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rc2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...S1d3
- 2.f3#
- 1...Ra2
- Tries
- 1.Sd2+?
- 1...Rxd2
- 2.Re3#
- 1...cxd2!
- 1...Rxd2
- 1.Bh2?
- threat
- 2.Rf4#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...S1d3
- 2.f3#
- 1...S5d3
- 2.Sg3#
- 1...Se6
- 2.Rxe6#
- 1...Bc7!
- threat
- 1.Be5?
- threat
- 2.Rf4#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...S1d3
- 2.f3#
- 1...S5d3
- 2.Sg3#
- 1...Se6!
- threat
- 1.Bg5?
- threat
- 2.Rf4#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...S1d3
- 2.f3#
- 1...S5d3
- 2.Sg3#
- 1...Se6
- 2.Rxe6#
- 1...Bc7!
- threat
- 1.Bh6?
- threat
- 2.Rf4#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...S1d3
- 2.f3#
- 1...S5d3
- 2.Sg3#
- 1...Se6
- 2.Rxe6#
- 1...Bc7!
- threat
- 1.Bc7?
- threat
- 2.Rf4#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...S1d3
- 2.f3#
- 1...S5d3
- 2.Sg3#
- 1...Se6
- 2.Rxe6#
- 1...Bxc7!
- threat
- 1.Bb8?
- threat
- 2.Rf4#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...S1d3
- 2.f3#
- 1...S5d3
- 2.Sg3#
- 1...Se6
- 2.Rxe6#
- 1...Bc7!
- threat
- 1.Sd2+?
- Keys
- 1.Bd6!
- threat
- 2.Rf4#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...S1d3
- 2.f3#
- 1...S5d3
- 2.Sg3#
- 1...Se6
- 2.Rxe6#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::R1(D)
- R(c);N_GUARD,XP(C)::R1(D)
- R(c);N_GUARD::R1(D),XR(c)
- S(b);P_PINS(A),SBLOCK::P(C)
- Tries
- Try
- S(A);CHECK
- Vars
- R(c);XS(A)::R1(D)
- Refutation
- P(d);XS(A)
- Try
- B(F);
- Threat
- R1(I)
- Vars
- R(c);N_GUARD,XP(C)::R1(D)
- R(c);N_GUARD::R1(D),XR(c)
- S(b);P_PINS(A),SBLOCK::P(C)
- S(f);P_PINP(C),SBLOCK::S(A)
- S(f);N_GUARD,P_PINP(C)::R(I),XS(f)
- Refutation
- B(g);
- Try
- B(F);
- Threat
- R1(I)
- Vars
- R(c);N_GUARD,XP(C)::R1(D)
- R(c);N_GUARD::R1(D),XR(c)
- S(b);P_PINS(A),SBLOCK::P(C)
- S(f);P_PINP(C),SBLOCK::S(A)
- Refutation
- S(f);P_PINP(C)
- Try
- B(F);
- Threat
- R1(I)
- Vars
- R(c);N_GUARD,XP(C)::R1(D)
- R(c);N_GUARD::R1(D),XR(c)
- S(b);P_PINS(A),SBLOCK::P(C)
- S(f);P_PINP(C),SBLOCK::S(A)
- S(f);N_GUARD,P_PINP(C)::R(I),XS(f)
- Refutation
- B(g);
- Try
- B(F);
- Threat
- R1(I)
- Vars
- R(c);N_GUARD,XP(C)::R1(D)
- R(c);N_GUARD::R1(D),XR(c)
- S(b);P_PINS(A),SBLOCK::P(C)
- S(f);P_PINP(C),SBLOCK::S(A)
- S(f);N_GUARD,P_PINP(C)::R(I),XS(f)
- Refutation
- B(g);
- Try
- B(F);
- Threat
- R1(I)
- Vars
- R(c);N_GUARD,XP(C)::R1(D)
- R(c);N_GUARD::R1(D),XR(c)
- S(b);P_PINS(A),SBLOCK::P(C)
- S(f);P_PINP(C),SBLOCK::S(A)
- S(f);N_GUARD,P_PINP(C)::R(I),XS(f)
- Refutation
- B(g);XB(F)
- Try
- B(F);
- Threat
- R1(I)
- Vars
- R(c);N_GUARD,XP(C)::R1(D)
- R(c);N_GUARD::R1(D),XR(c)
- S(b);P_PINS(A),SBLOCK::P(C)
- S(f);P_PINP(C),SBLOCK::S(A)
- S(f);N_GUARD,P_PINP(C)::R(I),XS(f)
- Refutation
- B(g);
- Try
- Actual
- B(F);
- Threat
- R1(I)
- Vars
- R(c);N_GUARD,XP(C)::R1(D)
- R(c);N_GUARD::R1(D),XR(c)
- S(b);P_PINS(A),SBLOCK::P(C)
- S(f);P_PINP(C),SBLOCK::S(A)
- S(f);N_GUARD,P_PINP(C)::R(I),XS(f)
Developed and maintained by Brian Stephenson.
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