MESON Chess Problem Database
Problem Display
PID: 99955 (8/5p2/1n3P2/4B3/1R1p4/r1k5/B3nN2/1R1K4 w - - 0 1)
Hertmann, Sandor
Magyar Sakkvilag, 1924
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.R1b3#
- 1...Rb3
- 2.R1xb3#
- 1...Ra4
- 2.R1b3#
- 1...Ra5
- 2.R1b3#
- 1...Ra6
- 2.R1b3#
- 1...Ra7
- 2.R1b3#
- 1...Ra8
- 2.R1b3#
- 1...Sc1
- 2.Bxd4#
- 1...Sg1
- 2.Bxd4#
- 1...Sg3
- 2.Bxd4#
- 1...Sf4
- 2.Bxd4#
- 1...Sa4
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sd5
- 2.Rc4#
- 1...Sd7
- 2.Rc4#
- 1...Sa8
- 2.Rc4#
- 1...Sc8
- 2.Rc4#
- 1...Rxa2
- Tries
- 1.Bd5?
- 1...Rb3
- 2.R1xb3#
- 2.R4xb3#
- 1...Sc1
- 2.Bxd4#
- 1...Ra1
- 2.Rb3#
- 1...Ra2
- 2.R1b3#
- 2.R4b3#
- 1...Ra4
- 2.R1b3#
- 2.R4b3#
- 1...Ra5
- 2.R1b3#
- 2.R4b3#
- 1...Ra6
- 2.R1b3#
- 2.R4b3#
- 1...Ra7
- 2.R1b3#
- 2.R4b3#
- 1...Ra8
- 2.R1b3#
- 2.R4b3#
- 1...Sg1
- 2.Bxd4#
- 1...Sg3
- 2.Bxd4#
- 1...Sf4
- 2.Bxd4#
- 1...Sa4
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sd7
- 2.Rc4#
- 1...Sa8
- 2.Rc4#
- 1...Sc8
- 2.Rc4#
- 1...Sxd5!
- 1...Rb3
- 1.Bxf7?
- 1...Rb3
- 2.R1xb3#
- 2.R4xb3#
- 1...Sc1
- 2.Bxd4#
- 1...Ra1
- 2.Rb3#
- 1...Ra2
- 2.R1b3#
- 2.R4b3#
- 1...Ra4
- 2.R1b3#
- 2.R4b3#
- 1...Ra5
- 2.R1b3#
- 2.R4b3#
- 1...Ra6
- 2.R1b3#
- 2.R4b3#
- 1...Ra7
- 2.R1b3#
- 2.R4b3#
- 1...Ra8
- 2.R1b3#
- 2.R4b3#
- 1...Sg1
- 2.Bxd4#
- 1...Sg3
- 2.Bxd4#
- 1...Sf4
- 2.Bxd4#
- 1...Sa4
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sd7
- 2.Rc4#
- 1...Sa8
- 2.Rc4#
- 1...Sc8
- 2.Rc4#
- 1...Sd5!
- 1...Rb3
- 1.Bf4?
- threat
- 2.Bd2#
- 1...Rxa2
- 2.R1b3#
- 1...Sc4
- 2.Rxc4#
- 1...Sxf4!
- threat
- 1.Rxd4?
- threat
- 2.Se4#
- 2.Rd3#
- 2.Rc4#
- 1...Rxa2
- 2.Se4#
- 1...Rb3
- 2.Se4#
- 2.Rxb3#
- 1...Sg3
- 2.Rd2#
- 2.Rd3#
- 2.Ra4#
- 2.Rdb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Rd5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Sc4
- 2.Se4#
- 2.Rd3#
- 2.Rxc4#
- 1...Sxd4!
- threat
- 1.Bd5?
- Keys
- 1.Bd6!
- 1...Rxa2
- 2.R1b3#
- 1...Sc1
- 2.Rxc1#
- 1...Rb3
- 2.R1xb3#
- 1...Ra4
- 2.R1b3#
- 1...Ra5
- 2.R1b3#
- 1...Ra6
- 2.R1b3#
- 1...Ra7
- 2.R1b3#
- 1...Ra8
- 2.R1b3#
- 1...Sg1
- 2.Rc1#
- 1...Sg3
- 2.Rc1#
- 1...Sf4
- 2.Rc1#
- 1...Sa4
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sd5
- 2.Rc4#
- 1...Sd7
- 2.Rc4#
- 1...Sa8
- 2.Rc4#
- 1...Sc8
- 2.Rc4#
- 1...d3
- 2.Se4#
- 1...Rxa2
- 1.Bd6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD,XB(C)::R1(A)
- R(b);N_GUARD::R1(A),XR(b)
- R(b);N_GUARD::R1(A)
- S(a);N_GUARD::B(F),XP(d)
- S(e);N_GUARD::R1(E)
- S(e);N_GUARD::R1(E),XS(e)
- Tries
- Try
- B(C);
- Vars
- S(a);N_GUARD::B(F),XP(d)
- R(b);N_GUARD,P_PINR(A)::R1(E)
- S(e);N_GUARD::R1(E)
- S(e);N_GUARD::R1(E),XS(e)
- Refutation
- S(e);XB(C)
- Try
- B(C);XP(f)
- Vars
- S(a);N_GUARD::B(F),XP(d)
- R(b);N_GUARD,P_PINR(A)::R1(E)
- S(e);N_GUARD::R1(E)
- S(e);N_GUARD::R1(E),XS(e)
- Refutation
- S(e);
- Try
- B(F);N_PINP(d)
- Threat
- B(F)
- Vars
- R(b);N_GUARD,XB(C)::R1(A)
- S(e);N_GUARD::R1(E),XS(e)
- Refutation
- S(a);XB(F)
- Try
- R(E);XP(d)
- Threat
- DUALS(3)
- Vars
- R(b);XB(C)::S(D)
- Refutation
- S(a);P_SPINS(a),XR(E)
- Try
- Actual
- B(F);N_PINP(d)
- Vars
- R(b);N_GUARD,XB(C)::R1(A)
- S(a);N_GUARD::R(A),XS(a)
- R(b);N_GUARD::R1(A),XR(b)
- R(b);N_GUARD::R1(A)
- S(a);N_GUARD::R(A)
- S(e);N_GUARD::R1(E)
- S(e);N_GUARD::R1(E),XS(e)
- P(d);SBLOCK::S(D)
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