MESON Chess Problem Database
Problem Display
PID: 176466 (K3N2b/8/p2n3q/R1BN1Rn1/2k5/ppP2bp1/1P1Q4/r7 w - - 0 1)
Kapralos, Demetrius N
1st Prize, Schach-Echo, 1955
#2
9 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Sxd6#
- 1...Qh1
- 2.Sxd6#
- 1...Qh2
- 2.Sxd6#
- 1...Qh3
- 2.Sxd6#
- 1...Qh4
- 2.Sxd6#
- 1...Qh5
- 2.Sxd6#
- 1...Qh7
- 2.Sxd6#
- 1...Bd1
- 2.Se3#
- 2.Sb6#
- 1...Bh1
- 2.Qe2#
- 1...Be2
- 2.Se3#
- 2.Sb6#
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bg4
- 2.Se3#
- 2.Sb6#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bh5
- 2.Se3#
- 2.Sb6#
- 1...Bxc3
- 2.Qxc3#
- 1...Bd4
- 2.Qxd4#
- 1...Bf6
- 2.Sxd6#
- 1...Sge4
- 2.Sb6#
- 1...Se6
- 2.Sxd6#
- 1...Sde4
- 2.Se3#
- 1...Sb7
- 2.Se3#
- 1...Qg7
- Tries
- 1.Kb8?
- threat
- 2.Se3#
- 2.Sb6#
- 1...Bxd5
- 2.Qe2#
- 2.Qxd5#
- 1...Sxe8
- 2.Se3#
- 1...Sb5
- 2.Se3#
- 1...Qe6
- 2.Sb6#
- 1...Re1
- 2.Sb6#
- 1...Bd4
- 2.Sb6#
- 2.Qxd4#
- 1...Sh3
- 2.Sb6#
- 1...Sge4
- 2.Sb6#
- 1...Se6
- 2.Sb6#
- 2.Sxd6#
- 1...Sgf7
- 2.Sb6#
- 1...Sh7
- 2.Sb6#
- 1...Sde4
- 2.Se3#
- 1...Sb7
- 2.Se3#
- 1...Sdf7
- 2.Se3#
- 1...Sc8
- 2.Se3#
- 1...Sxf5!
- threat
- 1.Bg1?
- threat
- 2.Rc5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Sge4
- 2.Sb6#
- 1...Se6
- 2.Sxd6#
- 1...Sde4
- 2.Se3#
- 1...Sb5
- 2.Ra4#
- 1...Sb7
- 2.Se3#
- 1...Rxg1!
- threat
- 1.Bf2?
- threat
- 2.Rc5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Sge4
- 2.Sb6#
- 1...Se6
- 2.Sxd6#
- 1...Sde4
- 2.Se3#
- 1...Sb5
- 2.Ra4#
- 1...Sb7
- 2.Se3#
- 1...gxf2!
- threat
- 1.Bxa3?
- threat
- 2.Rc5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Sge4
- 2.Sb6#
- 1...Se6
- 2.Sxd6#
- 1...Sde4
- 2.Se3#
- 1...Sb5
- 2.Ra4#
- 1...Sb7
- 2.Se3#
- 1...Rxa3!
- threat
- 1.Bb4?
- threat
- 2.Rc5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Sge4
- 2.Sb6#
- 1...Se6
- 2.Sxd6#
- 1...Sde4
- 2.Se3#
- 1...Sb7
- 2.Se3#
- 1...Sb5!
- threat
- 1.Bd4?
- threat
- 2.Rc5#
- 1...Bxd4
- 2.Qxd4#
- 1...Sge4
- 2.Sb6#
- 1...Se6
- 2.Sxd6#
- 1...Sde4
- 2.Se3#
- 1...Sb5
- 2.Ra4#
- 1...Sb7
- 2.Se3#
- 1...Bxd5+!
- threat
- 1.Bb6?
- threat
- 2.Rc5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Se6
- 2.Sxd6#
- 1...Sde4
- 2.Se3#
- 1...Sb5
- 2.Ra4#
- 1...Sb7
- 2.Se3#
- 1...Sge4!
- threat
- 1.Bxd6?
- threat
- 2.Rc5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Qxd6
- 2.Sxd6#
- 1...Bd4
- 2.Qxd4#
- 1...Se4
- 2.Sb6#
- 1...Se6!
- threat
- 1.Rxf3?
- threat
- 2.Se3#
- 2.Sb6#
- 2.Qd3#
- 1...Sxf3
- 2.Sb6#
- 1...Sxe8
- 2.Se3#
- 2.Qd3#
- 1...Bd4
- 2.Sb6#
- 2.Qxd4#
- 1...Qe6
- 2.Sb6#
- 2.Qd3#
- 1...Qg6
- 2.Se3#
- 2.Sb6#
- 1...Qh7
- 2.Se3#
- 2.Sb6#
- 2.Sxd6#
- 1...Rd1
- 2.Se3#
- 2.Sb6#
- 1...Re1
- 2.Sb6#
- 2.Qd3#
- 1...Sh3
- 2.Sb6#
- 2.Qd3#
- 1...Sge4
- 2.Sb6#
- 2.Qd3#
- 1...Se6
- 2.Sb6#
- 2.Sxd6#
- 2.Qd3#
- 1...Sgf7
- 2.Sb6#
- 2.Qd3#
- 1...Sh7
- 2.Sb6#
- 2.Qd3#
- 1...Sde4
- 2.Se3#
- 2.Qd3#
- 1...Sf5
- 2.Qd3#
- 1...Sb7
- 2.Se3#
- 2.Qd3#
- 1...Sdf7
- 2.Se3#
- 2.Qd3#
- 1...Sc8
- 2.Se3#
- 2.Qd3#
- 1...Sb5!
- threat
- 1.Rf4+?
- 1...Bd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sge4
- 2.Se3#
- 2.Sb6#
- 1...Sde4
- 2.Se3#
- 1...Be4!
- 1...Bd4
- 1.Kb8?
- Keys
- 1.Ba7!
- threat
- 2.Rc5#
- 1...Bxd5+
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Sge4
- 2.Sb6#
- 1...Se6
- 2.Sxd6#
- 1...Sde4
- 2.Se3#
- 1...Sb5
- 2.Ra4#
- 1...Sb7
- 2.Se3#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(j);N_GUARD::S(I),XS(i)
- B(d);N_GUARD::QAB(B)
- B(d);CHECK,OGATE,XS(F)::QAB1(B),XB(d)
- B(k);OGATE,XP(C)::QAR1(B),XB(k)
- B(k);N_GUARD::QAR1(B),XB(k)
- B(k);S_CUTQ(j)::S(I),XS(i)
- S(g);N_PINS(F)::S(F)
- S(g);S_CUTQ(j)::S(I),XS(i)
- S(i);N_PINS(F)::S(F)
- Tries
- Try
- K(H);N_SPINS(F),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- S(i);XS(I)::S(F)
- S(i);::S(F)
- Q(j);::S(F)
- R(a);::S(F)
- S(g);::S(F)
- Refutation
- S(i);XR(G)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- B(d);CHECK,OGATE,XS(F)::QAB1(B),XB(d)
- B(k);N_GUARD::QAR1(B),XB(k)
- S(g);N_PINS(F)::S(F)
- S(g);S_CUTQ(j)::S(I),XS(i)
- S(i);N_PINS(F)::S(F)
- S(i);SBLOCK::R(D)
- Refutation
- R(a);XB(E)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- B(d);CHECK,OGATE,XS(F)::QAB1(B),XB(d)
- B(k);N_GUARD::QAR1(B),XB(k)
- S(g);N_PINS(F)::S(F)
- S(g);S_CUTQ(j)::S(I),XS(i)
- S(i);N_PINS(F)::S(F)
- S(i);SBLOCK::R(D)
- Refutation
- P(e);XB(E)
- Try
- B(E);XP(b)
- Threat
- R1(D)
- Vars
- B(d);CHECK,OGATE,XS(F)::QAB1(B),XB(d)
- B(k);N_GUARD::QAR1(B),XB(k)
- S(g);N_PINS(F)::S(F)
- S(g);S_CUTQ(j)::S(I),XS(i)
- S(i);N_PINS(F)::S(F)
- S(i);SBLOCK::R(D)
- Refutation
- R(a);XB(E)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- B(d);CHECK,OGATE,XS(F)::QAB1(B),XB(d)
- B(k);N_GUARD::QAR1(B),XB(k)
- S(g);N_PINS(F)::S(F)
- S(g);S_CUTQ(j)::S(I),XS(i)
- S(i);N_PINS(F)::S(F)
- Refutation
- S(i);
- Try
- B(E);
- Threat
- R1(D)
- Vars
- B(k);OGATE,XB(E)::QAR1(B),XB(k)
- S(g);N_PINS(F)::S(F)
- S(g);S_CUTQ(j)::S(I),XS(i)
- S(i);N_PINS(F)::S(F)
- S(i);SBLOCK::R(D)
- Refutation
- B(d);CHECK,XS(F)
- Try
- B(E);
- Threat
- R1(D)
- Vars
- B(d);CHECK,OGATE,XS(F)::QAB1(B),XB(d)
- B(k);N_GUARD::QAR1(B),XB(k)
- S(g);S_CUTQ(j)::S(I),XS(i)
- S(i);N_PINS(F)::S(F)
- S(i);SBLOCK::R(D)
- Refutation
- S(g);N_PINS(F)
- Try
- B(E);XS(i)
- Threat
- R1(D)
- Vars
- B(d);CHECK,OGATE,XS(F)::QAB1(B),XB(d)
- Q(j);XB(E)::S(I),XQ(j)
- B(k);N_GUARD::QAR1(B),XB(k)
- S(g);N_PINS(F)::S(F)
- Refutation
- S(g);
- Try
- R(G);N_SPINS(F),XB(d)
- Threat
- DUALS(3)
- Vars
- S(g);XR(G)::S(F)
- S(i);::QAB1(B)
- Refutation
- S(i);
- Try
- R(G);CHECK
- Vars
- S(i);N_PINS(F),P_SPINS(i)::S(F)
- Refutation
- B(d);P_SPINB(d)
- Try
- Actual
- B(E);
- Threat
- R1(D)
- Vars
- B(d);CHECK,OGATE,XS(F)::QAB1(B),XB(d)
- B(k);N_GUARD::QAR1(B),XB(k)
- S(g);N_PINS(F)::S(F)
- S(g);S_CUTQ(j)::S(I),XS(i)
- S(i);N_PINS(F)::S(F)
- S(i);SBLOCK::R(D)
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