MESON Chess Problem Database
Problem Display
PID: 224202 (2N5/3n4/1pp2r2/p1B4R/2k2rn1/2P5/2Kp4/1R1N3Q w - - 0 1)
Myllyniemi, Matti Arvo
Suomen Shakki, 1971
#2
8 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Qe4#
- 1...Rf2
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rd6
- 2.Sxd6#
- 1...Rf7
- 2.Sd6#
- 1...Rf8
- 2.Sd6#
- 1...Sf2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3+
- 2.Sxe3#
- 1...Sh6
- 2.Se3#
- 1...Sxc5
- 2.Sxb6#
- 1...Sb8
- 2.Sxb6#
- 1...Sf8
- 2.Sxb6#
- 1...a4
- 2.Rb4#
- 1...b5
- 2.Sb2#
- 1...Rf1
- Tries
- 1.Bg1?
- threat
- 2.Sb2#
- 1...Se3+
- 2.Sxe3#
- 1...R4f5
- 2.Qe4#
- 1...R6f5
- 2.Sd6#
- 1...Sc5
- 2.Sxb6#
- 1...Sde5
- 2.Sxb6#
- 1...c5
- 2.Qd5#
- 1...Sge5!
- threat
- 1.Bf2?
- threat
- 2.Sb2#
- 2.Qf1#
- 1...Se3+
- 2.Sxe3#
- 1...Rxf2
- 2.Sb2#
- 2.Qe4#
- 1...Sxf2
- 2.Sb2#
- 2.Se3#
- 1...Rf3
- 2.Sb2#
- 1...Rd4
- 2.Sb2#
- 1...Re4
- 2.Sb2#
- 2.Qxe4#
- 1...R4f5
- 2.Qe4#
- 1...R6f5
- 2.Sd6#
- 1...Rd6
- 2.Sb2#
- 2.Sxd6#
- 1...Re6
- 2.Sb2#
- 1...Sh2
- 2.Sb2#
- 2.Se3#
- 1...Sc5
- 2.Sxb6#
- 1...Sde5
- 2.Sxb6#
- 1...c5
- 2.Qd5#
- 2.Qf1#
- 1...Sge5!
- threat
- 1.Be3?
- threat
- 2.Sb2#
- 1...Sxe3+
- 2.Sxe3#
- 1...R4f5
- 2.Qe4#
- 1...R6f5
- 2.Sd6#
- 1...Sc5
- 2.Sxb6#
- 1...Sde5
- 2.Sxb6#
- 1...c5
- 2.Qd5#
- 1...Sge5!
- threat
- 1.Bd4?
- threat
- 2.Sb2#
- 1...Se3+
- 2.Sxe3#
- 1...Sge5
- 2.Se3#
- 1...R6f5
- 2.Sd6#
- 1...Sc5
- 2.Sxb6#
- 1...Sde5
- 2.Sxb6#
- 1...c5
- 2.Qd5#
- 1...R4f5!
- threat
- 1.Bxb6?
- threat
- 2.Sb2#
- 1...Se3+
- 2.Sxe3#
- 1...Sge5
- 2.Se3#
- 1...R4f5
- 2.Qe4#
- 1...R6f5
- 2.Sd6#
- 1...Sc5
- 2.Rxc5#
- 1...c5
- 2.Qd5#
- 1...Sde5!
- threat
- 1.Bd6?
- threat
- 2.Sb2#
- 1...Se3+
- 2.Sxe3#
- 1...Sge5
- 2.Se3#
- 1...R4f5
- 2.Qe4#
- 1...Sc5
- 2.Sxb6#
- 1...Sde5
- 2.Sxb6#
- 1...c5
- 2.Qd5#
- 1...R6f5!
- threat
- 1.Be7?
- threat
- 2.Sb2#
- 1...Se3+
- 2.Sxe3#
- 1...Sge5
- 2.Se3#
- 1...R4f5
- 2.Qe4#
- 1...Sc5
- 2.Sxb6#
- 1...Sde5
- 2.Sxb6#
- 1...c5
- 2.Qd5#
- 1...R6f5!
- threat
- 1.Bf8?
- threat
- 2.Sb2#
- 1...Se3+
- 2.Sxe3#
- 1...Sge5
- 2.Se3#
- 1...R4f5
- 2.Qe4#
- 1...Sc5
- 2.Sxb6#
- 1...Sde5
- 2.Sxb6#
- 1...c5
- 2.Qd5#
- 1...R6f5!
- threat
- 1.Qxc6?
- threat
- 2.Sb2#
- 2.Qa4#
- 2.Qb5#
- 2.Qd5#
- 1...Se3+
- 2.Sxe3#
- 1...Sxc5
- 2.Sb2#
- 2.Sxb6#
- 2.Qb5#
- 2.Qd5#
- 1...Sge5
- 2.Sb2#
- 2.Se3#
- 1...Rd4
- 2.Sb2#
- 2.Qa4#
- 2.Qb5#
- 1...R4f5
- 2.Sb2#
- 1...R6f5
- 2.Sb2#
- 2.Sd6#
- 1...Rd6
- 2.Sb2#
- 2.Sxd6#
- 2.Qa4#
- 2.Qb5#
- 1...Sde5
- 2.Sb2#
- 2.Sxb6#
- 1...a4
- 2.Sb2#
- 2.Rb4#
- 2.Qxa4#
- 2.Qb5#
- 2.Qd5#
- 1...b5
- 2.Sb2#
- 2.Qxb5#
- 2.Qd5#
- 1...Rxc6!
- threat
- 1.Bg1?
- Keys
- 1.Ba3!
- threat
- 2.Sb2#
- 1...Se3+
- 2.Sxe3#
- 1...Sge5
- 2.Se3#
- 1...R4f5
- 2.Qe4#
- 1...R6f5
- 2.Sd6#
- 1...Sc5
- 2.Sxb6#
- 1...Sde5
- 2.Sxb6#
- 1...c5
- 2.Qd5#
- threat
- 1.Ba3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 13
- Sets
- R(c);N_GUARD::QAR2(C)
- R(c);N_GUARD::QAR2(C),XR(c)
- R(h);N_GUARD::S(H),XR(h)
- R(h);N_GUARD::S(H)
- S(d);N_GUARD::S(B)
- S(d);CHECK,N_GUARD::S(B),XS(d)
- S(i);N_GUARD,XB(F)::S(H),XP(f)
- S(i);N_GUARD::S(H),XP(f)
- P(e);N_GUARD::R1(A)
- P(f);SBLOCK::S(B)
- Tries
- Try
- B(F);
- Threat
- S(B)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- R(c);N_GUARD::QAR2(C)
- R(h);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XP(f)
- P(g);N_GUARD::QAB1(C)
- Refutation
- S(d);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- R(c);::S(B)
- R(c);N_GUARD::QAR2(C)
- R(h);N_GUARD::S(H)
- R(h);::S(B)
- S(i);N_GUARD::S(H),XP(f)
- Refutation
- S(d);
- Try
- B(F);
- Threat
- S(B)
- Vars
- S(d);CHECK,XB(F)::S(B),XS(d)
- R(c);N_GUARD::QAR2(C)
- R(h);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XP(f)
- P(g);N_GUARD::QAB1(C)
- Refutation
- S(d);
- Try
- B(F);
- Threat
- S(B)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- R(h);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XP(f)
- P(g);N_GUARD::QAB1(C)
- Refutation
- R(c);
- Try
- B(F);XP(f)
- Threat
- S(B)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- R(c);N_GUARD::QAR2(C)
- R(h);N_GUARD::S(H)
- S(i);N_GUARD::R1(G),XS(i)
- P(g);N_GUARD::QAB1(C)
- Refutation
- S(i);
- Try
- B(F);
- Threat
- S(B)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- R(c);N_GUARD::QAR2(C)
- S(i);N_GUARD::S(H),XP(f)
- P(g);N_GUARD::QAB1(C)
- Refutation
- R(h);
- Try
- B(F);
- Threat
- S(B)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- R(c);N_GUARD::QAR2(C)
- S(i);N_GUARD::S(H),XP(f)
- P(g);N_GUARD::QAB1(C)
- Refutation
- R(h);
- Try
- B(F);
- Threat
- S(B)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- R(c);N_GUARD::QAR2(C)
- S(i);N_GUARD::S(H),XP(f)
- P(g);N_GUARD::QAB1(C)
- Refutation
- R(h);
- Try
- Q(C);XP(g)
- Threat
- DUALS(4)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- R(c);::S(B)
- Refutation
- R(h);XQ(C)
- Try
- Actual
- B(F);
- Threat
- S(B)
- Vars
- S(d);CHECK,N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- R(c);N_GUARD::QAR2(C)
- R(h);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XP(f)
- P(g);N_GUARD::QAB1(C)
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