MESON Chess Problem Database
Problem Display
PID: 137928 (2R5/1P3NPr/b2B4/q3pKp1/2PkN2p/b2p3R/8/r1Qn4 w - - 0 1)
Mlynka, Karol
3rd Comm., Slovensky Dennik, 1993
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Bxe5#
- 1...Qd2
- 2.Bxe5#
- 1...Qc3
- 2.Bxe5#
- 1...Qb4
- 2.Bxe5#
- 1...Qb6
- 2.Bxe5#
- 1...Qd8
- 2.Bxe5#
- 1...Qa4
- 2.Bxe5#
- 1...Bc5
- 2.Bxe5#
- 1...Bxc4
- 2.Qxc4#
- 1...Bb5
- 2.Bxe5#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 1...Se3+
- 2.Qxe3#
- 1...Qe1
- Tries
- 1.Sfxg5?
- threat
- 2.Sf3#
- 2.Se6#
- 1...Se3+
- 2.Qxe3#
- 1...Rxc1
- 2.Se6#
- 1...Bxc1
- 2.Se6#
- 1...Bxc4
- 2.Qxc4#
- 1...Qd2
- 2.Se6#
- 2.Bxe5#
- 1...Qd5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...d2
- 2.Se6#
- 1...Rh5!
- threat
- 1.Sd8?
- threat
- 2.Sc6#
- 2.Se6#
- 1...Se3+
- 2.Qxe3#
- 1...Qxd8
- 2.Bxe5#
- 1...Rxc1
- 2.Se6#
- 1...Bxc1
- 2.Se6#
- 1...Bxc4
- 2.Qxc4#
- 1...Bxb7
- 2.Se6#
- 1...Qc3
- 2.Se6#
- 2.Bxe5#
- 1...Qb6
- 2.Se6#
- 2.Bxe5#
- 1...Qc7
- 2.Se6#
- 1...Qa4
- 2.Se6#
- 2.Bxe5#
- 1...Qb5
- 2.Se6#
- 1...Qc5
- 2.Se6#
- 1...Rh6
- 2.Sc6#
- 1...Bb5
- 2.Se6#
- 2.Bxe5#
- 1...Sc3
- 2.Se6#
- 2.Qe3#
- 1...Qd5!
- threat
- 1.Rc5?
- threat
- 2.Bxe5#
- 1...Se3+
- 2.Qxe3#
- 1...Qc7
- 2.Rd5#
- 1...Qxc5!
- threat
- 1.Qd2?
- threat
- 2.Rxd3#
- 2.Qxd3#
- 1...Se3+
- 2.Qxe3#
- 1...Qxd2
- 2.Bxe5#
- 1...Qc7
- 2.Qxd3#
- 1...Qc5
- 2.Qxd3#
- 1...Bc5
- 2.Qxd3#
- 1...Qc3
- 2.Bxe5#
- 1...Sb2
- 2.Qe3#
- 2.Qf2#
- 1...Sf2
- 2.Qe3#
- 2.Qxf2#
- 1...Bxc4!
- threat
- 1.Qxa1+?
- 1...Qc3
- 2.Bxe5#
- 1...Sb2
- 2.Qg1#
- 1...Sc3
- 2.Qg1#
- 1...Bb2!
- 1...Qc3
- 1.Qc3+?
- 1...Qxc3
- 2.Bxe5#
- 1...Sxc3!
- 1...Qxc3
- 1.Sfxg5?
- Keys
- 1.Sxe5!
- threat
- 2.Rxd3#
- 1...Qxe5+
- 2.Bxe5#
- 1...Se3+
- 2.Qxe3#
- 1...Bxc4
- 2.Qxc4#
- 1...Qd2
- 2.Sc6#
- 1...Qc3
- 2.Sf3#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...d2
- 2.Rd3#
- threat
- 1.Sxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(g);N_GUARD::B(F),XP(h)
- B(c);S_CUTQ(g)::B(F),XP(h)
- B(j);OGATE,XP(C)::QAR1(A),XB(j)
- B(j);S_CUTQ(g)::B(F),XP(h)
- S(b);N_GUARD::QAB1(A)
- S(b);CHECK,N_GUARD::QAB1(A),XS(b)
- Tries
- Try
- S(H);XP(i)
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB1(A),XS(b)
- R(a);XQ(A)::S(H)
- B(c);XQ(A)::S(H)
- B(j);OGATE,XP(C)::QAR1(A),XB(j)
- Q(g);::S(H)
- R(k);::S(H)
- P(d);::S(H)
- Refutation
- R(k);P_PINS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB1(A),XS(b)
- Q(g);N_GUARD,XS(H)::B(F),XP(h)
- R(a);XQ(A)::S(H)
- B(c);XQ(A)::S(H)
- B(j);OGATE,XP(C)::QAR1(A),XB(j)
- B(j);XP(G)::S(H)
- Q(g);::S(H)
- R(k);::S(H)
- Refutation
- Q(g);
- Try
- R(J);
- Threat
- B(F),XP(h)
- Vars
- S(b);CHECK,N_GUARD::QAB1(A),XS(b)
- Q(g);N_GUARD::R1(J)
- Refutation
- Q(g);XR(J)
- Try
- Q(A);P_PINP(d)
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::QAB1(A),XS(b)
- Q(g);N_GUARD,N_SPINP(d),XQ(A)::B(F),XP(h)
- Q(g);::QAR1(A),XP(d)
- B(c);::QAR1(A),XP(d)
- Q(g);N_GUARD::B(F),XP(h)
- Refutation
- B(j);XP(C)
- Try
- Q(A);CHECK,XR(a)
- Vars
- Q(g);P_SPINQ(g)::B(F),XP(h)
- S(b);OGATE,P_SPINS(b)::QAB(A)
- Refutation
- B(c);P_SPINB(c)
- Try
- Q(A);CHECK
- Vars
- Q(g);XQ(A)::B(F),XP(h)
- Refutation
- S(b);XQ(A)
- Try
- Actual
- S(H);P_SPINS(H),XP(h)
- Threat
- R1(B),XP(d)
- Vars
- Q(g);CHECK,OGATE,XS(H)::B(F),XQ(g)
- S(b);CHECK,N_GUARD::QAB1(A),XS(b)
- B(j);OGATE,XP(C)::QAR1(A),XB(j)
- Q(g);N_PINS(H)::S(H)
- S(b);N_GUARD::QAB1(A)
- P(d);::R1(B)
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