MESON Chess Problem Database
Problem Display
PID: 99622 (q4b1n/1p1BB1n1/3R2p1/2k3Np/prrp4/4NK2/3P4/1bR4Q w - - 0 1)
Schor, Laszlo
Magyar Sakkszovetseg, 1966
#2
9 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Rxc4#
- 1...Rb3
- 2.Rxc4#
- 1...Rb5
- 2.Rxc4#
- 2.Rc6#
- 1...Rb6
- 2.Rxc4#
- 2.Rd5#
- 1...Rc2
- 2.Se4#
- 1...Ba2
- 2.Se4#
- 1...Be4+
- 2.Sxe4#
- 1...Sf5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...dxe3
- 2.d4#
- 1...d3
- 2.Se4#
- 1...b5+
- 2.Rc6#
- 1...b6+
- 2.Rd5#
- 1...Rb2
- Tries
- 1.Kf2?
- threat
- 2.Qd5#
- 1...Rb2
- 2.Rxc4#
- 1...Rb3
- 2.Rxc4#
- 1...Rb5
- 2.Rxc4#
- 2.Rc6#
- 1...Rb6
- 2.Rxc4#
- 2.Rd5#
- 1...Be4
- 2.Sxe4#
- 1...b5
- 2.Rc6#
- 1...b6
- 2.Rd5#
- 1...dxe3+!
- threat
- 1.Rc2?
- threat
- 2.Se4#
- 1...b5+
- 2.Rc6#
- 1...b6+
- 2.Rd5#
- 1...Rb2
- 2.Rxc4#
- 1...Rb3
- 2.Rxc4#
- 1...Rb5
- 2.Rxc4#
- 2.Rc6#
- 1...Rb6
- 2.Rxc4#
- 2.Rd5#
- 1...Bxc2!
- threat
- 1.Qh2?
- threat
- 2.Qe5#
- 1...Be4+
- 2.Sxe4#
- 1...b5+
- 2.Rc6#
- 1...b6+
- 2.Rd5#
- 1...Rb2
- 2.Rxc4#
- 1...Rb3
- 2.Rxc4#
- 1...Rb5
- 2.Rxc4#
- 2.Rc6#
- 1...Rb6
- 2.Rxc4#
- 2.Rd5#
- 1...Sf7!
- threat
- 1.Qxh5?
- threat
- 2.Se4#
- 2.Se6#
- 1...Be4+
- 2.Sxe4#
- 1...b5+
- 2.Se4#
- 2.Rc6#
- 1...b6+
- 2.Se4#
- 2.Rd5#
- 1...Bxe7
- 2.Se4#
- 1...Sxh5
- 2.Se6#
- 1...Rb2
- 2.Rxc4#
- 1...Rb3
- 2.Rxc4#
- 1...Rb5
- 2.Rxc4#
- 2.Rc6#
- 1...Rb6
- 2.Rxc4#
- 2.Rd5#
- 1...Bf5
- 2.Se4#
- 1...Sf5
- 2.Se6#
- 1...Se6
- 2.Se4#
- 2.Sxe6#
- 1...gxh5!
- threat
- 1.d3?
- threat
- 2.Se4#
- 1...b5+
- 2.Rc6#
- 1...b6+
- 2.Rd5#
- 1...Rb2
- 2.Rxc4#
- 1...Rb3
- 2.Rxc4#
- 1...Rb5
- 2.Rxc4#
- 2.Rc6#
- 1...Rb6
- 2.Rxc4#
- 2.Rd5#
- 1...Bxd3!
- threat
- 1.Kf2?
- Keys
- 1.Kf4!
- threat
- 2.Qd5#
- 1...Se6+
- 2.Sxe6#
- 1...dxe3+
- 2.d4#
- 1...d3+
- 2.Se4#
- 1...Rb2
- 2.Rxc4#
- 1...Rb3
- 2.Rxc4#
- 1...Rb5
- 2.Rxc4#
- 2.Rc6#
- 1...Rb6
- 2.Rxc4#
- 2.Rd5#
- 1...Be4
- 2.Sxe4#
- 1...b5
- 2.Rc6#
- 1...b6
- 2.Rd5#
- threat
- 1.Kf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::R1(A),XR(d)
- R(c);N_GUARD,P_PINS(D)::R1(A),XR(d)
- R(d);S_CUTB(a)::S(F)
- B(a);N_GUARD::S(F)
- B(a);CHECK,N_GUARD::S(F),XB(a)
- S(j);N_GUARD::S(F)
- S(j);N_GUARD::S(F),XS(j)
- P(e);OGATE,XS(D)::P(C)
- P(e);S_CUTB(a)::S(F)
- P(i);CHECK,SBLOCK::B(I)+R(G),DCHECK
- Tries
- Try
- K(E);P-FLIGHT
- Threat
- QAR1(B)
- Vars
- R(c);N_GUARD,P_PINP(C)::R1(A),XR(d)
- R(c);N_GUARD::R1(A),XR(d)
- B(a);N_GUARD::S(F),XB(a)
- P(i);SBLOCK::B(I)+R(G),DCHECK
- Refutation
- P(e);CHECK,XS(D)
- Try
- R(A);
- Threat
- S(F)
- Vars
- P(i);CHECK,SBLOCK::B(I)+R(G),DCHECK
- R(c);N_GUARD::R1(A),XR(d)
- R(c);N_GUARD,P_PINS(D)::R1(A),XR(d)
- Refutation
- B(a);N_SPINR(d),XR(A)
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- B(a);CHECK,N_GUARD::S(F),XB(a)
- P(i);CHECK,SBLOCK::B(I)+R(G),DCHECK
- R(c);N_GUARD::R1(A),XR(d)
- R(c);N_GUARD,P_PINS(D)::R1(A),XR(d)
- Refutation
- S(m);
- Try
- Q(B);XP(g)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK::QAR(B)+S(F),DCHECK,XB(a)
- B(l);XB(I)::QAR(B)+S(F),DCHECK
- S(j);XQ(B)::S(F)
- R(c);N_GUARD::R1(A),XR(d)
- R(c);N_GUARD,P_PINS(D)::R1(A),XR(d)
- B(a);::S(F)
- S(j);::S(F)
- Refutation
- P(h);XQ(B)
- Try
- P(C);
- Threat
- S(F)
- Vars
- P(i);CHECK,SBLOCK::B(I)+R(G),DCHECK
- R(c);N_GUARD::R1(A),XR(d)
- Refutation
- B(a);XP(C)
- Try
- Actual
- K(E);P-FLIGHT
- Threat
- QAR1(B)
- Vars
- S(j);CHECK,N_GUARD::S(F),XS(j)
- P(e);CHECK,OGATE,XS(D)::P(C)
- P(e);CHECK,S_CUTB(a)::S(F)
- R(c);N_GUARD::R1(A),XR(d)
- B(a);N_GUARD::S(F),XB(a)
- P(i);SBLOCK::B(I)+R(G),DCHECK
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