MESON Chess Problem Database

Problem Display
PID: 107980 (2N5/rp5B/pPP2p2/K2k3n/QP2RbRN/2B3n1/P7/7b w - - 0 1)

Dyachuk, Vasyl Vasilovich

1/2 Prize, Wola Gulowska, 2002

2N5/rp5B/pPP2p2/K2k3n/QP2RbRN/2B3n1/P7/7b

#2

12 + 9

6490 yacpdb 2009
15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Bg8#
    • 1...Bc1
      • 2.Bg8#
    • 1...Bd2
      • 2.Bg8#
    • 1...Be3
      • 2.Bg8#
    • 1...Be5
      • 2.Bg8#
    • 1...Bg5
      • 2.Bg8#
    • 1...Bd6
      • 2.Bg8#
    • 1...Bh6
      • 2.Bg8#
    • 1...Bc7
      • 2.Bg8#
    • 1...Bb8
      • 2.Bg8#
    • 1...Sxe4
      • 2.Bg8#
    • 1...bxc6
      • 2.Qb3#
  • Tries
    • 1.Re3?
      • threat
        • 2.Bg8#
      • 1...Kc4
        • 2.Qb3#
      • 1...bxc6
        • 2.Qb3#
      • 1...Sg7!
    • 1.Rc4?
      • threat
        • 2.Bg8#
      • 1...Kxc4
        • 2.Qb3#
      • 1...Ke6
        • 2.Bg8#
      • 1...bxc6
        • 2.Qxc6#
      • 1...Sg7!
    • 1.Rd4+?
      • 1...Ke5
        • 2.Rd6#
      • 1...Ke6!
    • 1.Re5+?
      • 1...Kc4
        • 2.Rc5#
        • 2.Qb3#
      • 1...Bxe5
        • 2.Bg8#
      • 1...fxe5!
    • 1.Re7?
      • threat
        • 2.Bg8#
      • 1...Kc4
        • 2.Qb3#
      • 1...Sg7!
    • 1.Re8?
      • threat
        • 2.Bg8#
      • 1...Kc4
        • 2.Qb3#
      • 1...bxc6
        • 2.Qb3#
      • 1...Sg7!
    • 1.Qd1+?
      • 1...Kxc6
        • 2.Sxa7#
        • 2.Se7#
        • 2.Rc4#
      • 1...Bd2!
  • Keys
    • 1.Re6!
      • threat
        • 2.Qb3#
      • 1...Kc4
        • 2.Qb3#
      • 1...Kxe6
        • 2.Bg8#
      • 1...Bd6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • B(a);SBLOCK,XR(E)::B(K)
    • B(c);::B(K)
    • B(c);P_PINP(I)::B(K)
    • S(b);SBLOCK,XR(E)::B(K)
    • P(i);SBLOCK,XP(J)::QAB(C)
  • Tries
    • Try
      • R(E);
      • Threat
        • B(K)
      • Vars
        • K(d);P_SPINB(c),S_FLIGHT::QAB1(C)
        • P(i);SBLOCK,XP(J)::QAB(C)
      • Refutation
        • S(e);
    • Try
      • R(E);
      • Threat
        • B(K)
      • Vars
        • K(d);OGATEB,P_SPINB(c),S_FLIGHT,XR(E)::QAB1(C)
        • K(d);S_FLIGHT::B(K)
        • P(i);OGATE,XP(J)::QAB1(C),XP(i)
      • Refutation
        • S(e);
    • Try
      • R(E);CHECK
      • Vars
        • K(d);OGATE,P-FLIGHT::B(B)+R(E)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • B(c);XR(E)::B(K)
      • Refutation
        • P(g);XR(E)
    • Try
      • R(E);
      • Threat
        • B(K)
      • Vars
        • K(d);P_SPINB(c),S_FLIGHT::QAB1(C)
      • Refutation
        • S(e);
    • Try
      • R(E);
      • Threat
        • B(K)
      • Vars
        • K(d);P_SPINB(c),S_FLIGHT::QAB1(C)
        • P(i);SBLOCK,XP(J)::QAB(C)
      • Refutation
        • S(e);
    • Try
      • Q(C);CHECK
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • R(E);
    • Threat
      • QAB(C)
    • Vars
      • K(d);P_SPINB(c),S_FLIGHT::QAB1(C)
      • K(d);OGATEB,S_FLIGHT,XR(E)::B(K)
      • B(c);N_GUARD::R1(E),XB(c)
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