MESON Chess Problem Database
Problem Display
PID: 214728 (7Q/5PK1/2pNPNP1/5p2/3k1p2/2RpR3/1r6/B6B w - - 0 1)
Rhaun, WH
Detroit Free Press, 1877
#2
11 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sxf5#
- 1...Ra2
- 2.Sxf5#
- 1...Rc2
- 2.Sxf5#
- 1...Rd2
- 2.Sxf5#
- 1...Re2
- 2.Sxf5#
- 1...Rf2
- 2.Sxf5#
- 1...Rg2
- 2.Sxf5#
- 1...Rh2
- 2.Sxf5#
- 1...Rb3
- 2.Sxf5#
- 1...Rb4
- 2.Sxf5#
- 1...Rb6
- 2.Sxf5#
- 1...Rb7
- 2.Sxf5#
- 1...Rb8
- 2.Sxf5#
- 1...d2
- 2.Sxf5#
- 1...c5
- 2.Rcxd3#
- 1...Rb1
- Tries
- 1.Bxb2?
- threat
- 2.Sxf5#
- 1...fxe3
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Rxc6#
- 1...Kxe3!
- threat
- 1.Rc1?
- threat
- 2.Sxf5#
- 1...fxe3
- 2.Bxb2#
- 1...Kxe3!
- threat
- 1.Rc2?
- threat
- 2.Sxf5#
- 1...Kxe3
- 2.Sxf5#
- 1...fxe3
- 2.Bxb2#
- 1...dxc2!
- threat
- 1.Rxc6?
- threat
- 2.Sxf5#
- 1...fxe3
- 2.Bxb2#
- 1...Kxe3!
- threat
- 1.Bxb2?
- Keys
- 1.Qh2!
- 1...Kxc3
- 2.Qxb2#
- 1...Kxe3
- 2.Sxf5#
- 1...Rxh2
- 2.Sxf5#
- 1...fxe3
- 2.Rc4#
- 1...Rb1
- 2.Sxf5#
- 2.Qxf4#
- 1...Ra2
- 2.Sxf5#
- 2.Qxf4#
- 1...Rc2
- 2.Sxf5#
- 2.Qxf4#
- 1...Rd2
- 2.Sxf5#
- 2.Qxf4#
- 1...Re2
- 2.Sxf5#
- 2.Qxf4#
- 1...Rf2
- 2.Sxf5#
- 1...Rg2
- 2.Sxf5#
- 2.Qxf4#
- 1...Rb3
- 2.Sxf5#
- 2.Qxf4#
- 1...Rb4
- 2.Sxf5#
- 2.Qxf4#
- 1...Rb5
- 2.Qxf4#
- 1...Rb6
- 2.Sxf5#
- 2.Qxf4#
- 1...Rb7
- 2.Sxf5#
- 2.Qxf4#
- 1...Rb8
- 2.Sxf5#
- 2.Qxf4#
- 1...d2
- 2.Sxf5#
- 2.Qxf4#
- 1...f3
- 2.Rexd3#
- 2.Qe5#
- 1...c5
- 2.Rcxd3#
- 1...Kxc3
- 1.Qh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- R(a);::S(E),XP(e)
- R(a);P_PINP(H)::S(E),XP(e)
- R(a);P_PINP(I)::S(E),XP(e)
- P(b);::S(E),XP(e)
- P(f);SBLOCK::R1(C),XP(b)
- Tries
- Try
- B(A);XR(a)
- Threat
- S(E),XP(e)
- Refutation
- K(c);P_SPINP(b),S_FLIGHT,XR(D)
- Try
- R(C);P_PINR(a)
- Threat
- S(E),XP(e)
- Vars
- P(d);SBLOCK,XR(D)::B(A),XR(a)
- Refutation
- K(c);N_SPINR(a),S_FLIGHT,XR(D)
- Try
- R(C);P_PINR(a)
- Threat
- S(E),XP(e)
- Vars
- K(c);N_SPINR(a),S_FLIGHT,XR(D)::S(E),XP(e)
- P(d);SBLOCK,XR(D)::B(A),XR(a)
- Refutation
- P(b);XR(C)
- Try
- R(C);P_PINR(a),XP(f)
- Threat
- S(E),XP(e)
- Vars
- P(d);SBLOCK,XR(D)::B(A),XR(a)
- Refutation
- K(c);N_SPINR(a),S_FLIGHT,XR(D)
- Try
- Actual
- Q(K);
- Vars
- K(c);OGATEB,P_SPINP(b),P_SPINR(a),S_FLIGHT,XR(C)::QAB1(K),XR(a)
- K(c);P_SPINP(b),S_FLIGHT,XR(D)::S(E),XP(e)
- R(a);XQ(K)::S(E),XP(e)
- P(d);SBLOCK,XR(D)::R1(C)
- R(a);::S(E),XP(e)
- R(a);::QAR2(K),XP(d)
- P(f);SBLOCK::R1(C),XP(b)
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